Grandparents favor genetically close grandchildren

first_imgThis image shows the coding region in a segment of eukaryotic DNA. Courtesy: National Human Genome Research Institute More information: William R. Rice et al., The evolution of sex-specific grandparental harm, Proceedings of the Royal Society B, Published online before print April 28, 2010, doi:10.1098/rspb.2010.0409 © 2010 PhysOrg.com (PhysOrg.com) — New research suggests that grandparents naturally and subconsciously favor the grandchildren who are most closely related to them genetically. The phenomenon is called “sexually antagonistic grandparental care,” and it has been known for some time that a grandmother will naturally prefer her son’s daughters (with whom she shares 31 percent of her genes) to her son’s sons (with whom she shares only 23 percent, suggesting she will most nurture the grandchild who inherits more of her genes. Explore further Citation: Grandparents favor genetically close grandchildren (2010, April 29) retrieved 18 August 2019 from https://phys.org/news/2010-04-grandparents-favor-genetically-grandchildren.html Dr Urban Friberg of the University of California, Santa Barbara and colleagues used mathematical methods to test the supposition that grandparents “differentially” care for grandchildren according to their lineage and gender. A father has an XY chromosome pair, with the X derived from his mother and the Y derived from his father. He passes copies of the X to his daughters and Y to his sons. This has evolutionary consequences, according to Friberg’s team, because of the innate drive to ensure the survival of our genes in future generations. The team developed a new paradigm they called the “no-cost-to-self nepotism” rule to generate predictions about the behaviors of grandparents.The major prediction the group found was that grandmothers (and to a lesser degree, grandfathers) will evolve grandson-harming phenotypes that effectively reduce the competition between siblings, and favor their more closely related granddaughters, especially daughters of their sons (who have definitely inherited the grandmother’s X chromosome).Women always know their children are their own, while fathers always have some uncertainty because of the possibility they were cuckolded. This means maternal grandmothers know for certain their grandchildren are recipients of copies of their genes, while paternal grandfathers are doubly uncertain about the genetic inheritance of their grandchildren. The results of the current research supports the findings of previous studies that showed a baby girl’s chances of survival are increased if a paternal grandmother cares for her, while a boy’s chances are diminished. If a maternal grandmother is involved, the boys have improved chances of survival.The results of the study are published in the Proceedings of the Royal Society B. Family ties that bind: Maternal grandparents are more involved in the lives of their grandchildren This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Nanosilicon rapidly splits water without light heat or electricity

first_img The researchers, Folarin Erogbogbo at the University of Buffalo and coauthors, have published their paper on using nanosilicon to generate hydrogen in a recent issue of Nano Letters.If hydrogen is ever to be used to deliver energy for wide commercial applications, one of the requirements is finding a fast, inexpensive way to produce hydrogen. One of the most common hydrogen production techniques is splitting water into hydrogen and oxygen. There are several ways to split water, such as with an electric current (electrolysis), heat, sunlight, or a substance that chemically reacts with water. Such substances include aluminum, zinc, and silicon.As the scientists explained, silicon-water oxidation reactions have so far been slow and uncompetitive with other water splitting techniques. However, silicon does have some theoretical benefits, such as being abundant, being easy to transport, and having a high energy density. Further, upon oxidation with water, silicon can theoretically release two moles of hydrogen per mole of silicon, or 14% of its own mass in hydrogen.For these reasons, the scientists decided to take a closer look at silicon, specifically silicon nanoparticles, which have not previously been studied for hydrogen generation. Because silicon nanoparticles have a larger surface area than larger particles or bulk silicon, it would be expected that the nanoparticles can generate hydrogen more rapidly than the larger pieces of silicon. (Phys.org)—Although scientists know that when silicon mixes with water, hydrogen is produced through oxidation, no one expected how quickly silicon nanoparticles might perform this task. As a new study has revealed, 10-nm silicon nanoparticles can generate hydrogen 150 times faster than 100-nm silicon nanoparticles, and 1,000 times faster than bulk silicon. The discovery could pave the way toward rapid “just add water” hydrogen generation technologies for portable devices without the need for light, heat, or electricity. Journal information: Nano Letters But the improvements the scientists discovered with silicon nanoparticles far exceeded their expectations. The reaction of 10-nm silicon particles with water produced a total of 2.58 mol of hydrogen per mol of silicon (even exceeding theoretical expectations), taking 5 seconds to produce 1 mmol of hydrogen. In comparison, the reaction with 100-nm silicon particles produced a total of 1.25 mol of hydrogen per mole of silicon, taking 811 seconds to produce each mmol of hydrogen. For bulk silicon, total production was only 1.03 mol of hydrogen per mol of silicon, taking a full 12.5 hours to produce each mmol of hydrogen. For a rate comparison, the 10-nm silicon generated hydrogen 150 times faster than 100-nm silicon and 1,000 times faster than bulk silicon. “I believe the greatest significance of this work is the demonstration that silicon can react with water rapidly enough to be of practical use for on-demand hydrogen generation,” coauthor Mark Swihart, Professor of Chemical and Biological Engineering at the University of Buffalo, told Phys.org. “This result was both unexpected and of potential practical importance. While I do not believe that oxidation of silicon nanoparticles will become a feasible method for large-scale hydrogen generation any time soon, this process could be quite interesting for small-scale portable applications where water is available.” Just add water: How scientists are using silicon to produce hydrogen on demand In addition to producing hydrogen faster than larger silicon pieces, the 10-nm silicon also produces hydrogen significantly faster than aluminum and zinc nanoparticles. As Swihart explained, the explanation for this inequality differs for the two materials. “Compared to aluminum, silicon reacts faster because aluminum forms a denser and more robust oxide (Al2O3) on its surface, which limits the reaction,” he said. “In the presence of a base like KOH [potassium hydroxide], silicon mostly produces soluble silicic acid (Si(OH)4). Compared to zinc, silicon is simply more reactive, especially at room temperature.”Although the larger surface area of the 10-nm silicon compared with larger silicon pieces contributes to its fast hydrogen production rate, surface area alone cannot account for the huge rate increase that the scientists observed. The surface area of 10-nm silicon is 204 m2/g, about 6 times greater than the surface area of 100-nm silicon, which is 32 m2/g. To understand what causes the much larger increase in the hydrogen production rate, the researchers conducted experiments during the silicon etching process. They found that, for the 10-nm particles, etching involves the removal of an equal number of lattice planes in each direction (isotropic etching). In contrast, for 100-nm particles and microparticles, unequal numbers of lattice planes are removed in each direction (anisotropic etching). The researchers attribute this etching difference to the different geometries of different-sized crystals. As a result of this difference, the larger particles adopt non-spherical shapes that expose less reactive surfaces compared to the smaller particles, which remain nearly spherical, exposing all crystal facets for reaction. Larger particles also develop thicker layers of oxidized silicon byproducts through which water must diffuse. Both of these factors limit the rate of the reaction on larger particles.To confirm that that the 10-nm silicon-water reaction generates hydrogen with no byproducts that could interfere with applications, the researchers used the silicon-generated hydrogen to operate a fuel cell. The fuel cell performed very well, producing more current and voltage than the theoretical amount of pure hydrogen, which is due to the fact that the 10-nm particles generated more hydrogen than the theoretical 14 wt %.The researchers hope that this surprising ability of silicon nanoparticles to rapidly split water and generate hydrogen could lead to the development of a hydrogen-on-demand technology that could enable fuel cells to be used in portable devices. This technology would require a large-scale, energy-efficient method of silicon nanoparticle production, but could have some advantages compared to other hydrogen generation techniques.”The key advantage of silicon oxidation for hydrogen generation is its simplicity,” Swihart said. “With this approach, hydrogen is produced rapidly, at room temperature, and without the need for any external energy source. The energy needed for hydrogen generation is effectively stored in the silicon. All of the energy input required for producing the silicon can be provided at a central location, and the silicon can then be used in portable applications.”The key disadvantage of silicon oxidation is its relative inefficiency. The energy input required to create the silicon nanoparticles is much greater than the energy available from the hydrogen that is finally produced. For large scale applications, this would be a problem. For portable applications, it is not. For example, the cost of electricity supplied by an ordinary household battery can easily be 10 to 100 times higher than the cost of electricity from a utility, but batteries still play an important role in our lives.”In the future, the researchers plan to further increase the hydrogen generation capacity of silicon oxidation by experimenting with different mixtures.”One direction that we are presently pursuing is the use of mixtures of silicon nanoparticles with metal hydrides, which also react with water to produce hydrogen,” Swihart said. “Compounds like lithium hydride and sodium hydride react with water to produce the base (LiOH or NaOH) that is needed to catalyze the silicon oxidation. However, they can react too fast with water (explosively) and are not stable in air. Mixing them with silicon nanoparticles or coating them with silicon nanoparticles may serve to both temper their reactivity and increase the hydrogen generation capacity of the system by replacing the added base (e.g., KOH in the published paper) with a material that also generates hydrogen.” A comparison of hydrogen generation rates for different forms of silicon. Maximum rates are in the left column with images of the samples on them. Average rates are in the right column. The red line indicates the maximum reported rate for hydrogen generated from aluminum. Credit: Folarin Erogbogbo, et al. ©2013 American Chemical Society This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Illustration of the multidisciplinary approach for producing hydrogen through silicon oxidation. The approach involves synthesizing silicon nanoparticles, the silicon-water reaction which generates hydrogen on demand, and using the hydrogen in a fuel cell for portable power. Credit: Folarin Erogbogbo, et al. ©2013 American Chemical Society Explore further Copyright 2013 Phys.org All rights reserved. This material may not be published, broadcast, rewritten or redistributed in whole or part without the express written permission of Phys.org. Citation: Nanosilicon rapidly splits water without light, heat, or electricity (2013, January 24) retrieved 18 August 2019 from https://phys.org/news/2013-01-nanosilicon-rapidly-electricity.html More information: Folarin Erogbogbo, et al. “On-Demand Hydrogen Generation using Nanosilicon: Splitting Water without Light, Heat, or Electricity.” Nano Letters. DOI: 10.1021/nl304680wlast_img read more

Study shows crayfish exhibit anxietylike behavior when stressed

first_img Play Spontaneous behavior of unstressed crayfish in the aquatic dark/light plus-shaped maze. Credit: Pascal Fossat. In another part of the experiment, the researchers examined the stressed crayfish and found they had elevated levels of serotonin, the same neurotransmitter that has been found to be elevated in stressed humans. The team found that they could cause the same types of protective behavior in the crayfish just by injecting them with serotonin. They also found that they could calm the crayfish by injecting them with chlordiazepoxide, a drug used to treat anxiety in humans—afterwards the stressed subjects ventured into the well-lit parts of the tanks in much the same ways as the unstressed crayfish. Explore further © 2014 Phys.org PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreen More information: Science 13 June 2014: Vol. 344 no. 6189 pp. 1293-1297 DOI: 10.1126/science.1248811 A new tiny species of crayfish from the swamps of coastal eastern Australia Citation: Study shows crayfish exhibit anxiety-like behavior when stressed (2014, June 13) retrieved 18 August 2019 from https://phys.org/news/2014-06-crayfish-anxiety-like-behavior-stressed.html PausePlay% buffered00:0000:00UnmuteMuteDisable captionsEnable captionsSettingsCaptionsDisabledQuality0SpeedNormalCaptionsGo back to previous menuQualityGo back to previous menuSpeedGo back to previous menu0.5×0.75×Normal1.25×1.5×1.75×2×Exit fullscreenEnter fullscreencenter_img (Phys.org) —A team of researchers working in France has found that when stressed, crayfish tend to exhibit anxiety-like behavior. In their paper published in the journal Science, the team describes how they conducted experiments involving crayfish behavior under stressful conditions and found that in addition to changes in behavior, the crustaceans also had elevated levels of a neurotransmitter also found in stressed humans. This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Stress and anxiety are common problems in modern life as people try to fulfill expectations that arise from their jobs, family life and friends. Prior research has shown that stress is hard on people, both mentally and physically. For that reason, scientists have been searching for many years for ways to alleviate the stress that people feel—they’ve come up with many solutions, from advocating exercise to administering pharmaceuticals. None have been found to be the ultimate cure, however, so the search continues. In this new effort, the researchers in France studied anxiety behavior due to stress in crayfish to gain a new perspective on the condition and perhaps ways to treat it.To find out how crayfish respond to stress, the researchers subjected several of them to mild electric shocks then placed them into a specially designed tank of water—it was shaped like a cross, with two wings well lit, and two left in the dark. The researchers found that when the stressed crayfish were placed into the tank, they tended to avoid the well lit wings—a protective sort of behavior. Unstressed crayfish placed in the tank were tentative but did eventually explore the well-lit parts of the tank as they searched for food. Play This AAAS animation describes a primitive form of anxiety in crayfish, which is controlled by serotonin and treatable with anxiolytic drugs. Credit: Science/AAAS. The researchers note that their findings do not indicate that crayfish feel stress or anxiety in the same ways as we do, but instead suggest that the mechanism behind both is clearly similar, which hints at a shared evolutionary origin. A crayfish entering a light arm. Credit: Jean-Paul Delbecque. Journal information: Sciencelast_img read more

Disrupted globular cluster found in the constellation of Draco

first_img A ‘ghost from the past’ recalls the infancy of the Milky Way A co-moving clump of stars was found in the constellation of Draco at a distance of approximately 8,500 light years away by a team of astronomers from the Chinese Academy of Sciences. It is assumed that the newly detected stellar group is a disrupted globular cluster, according to the researchers. They described their discovery in a paper published online on Dec. 16 on the arXiv pre-print server. © 2015 Phys.org This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. Explore further NGC 6362, an example of a globular cluster. Image credit: ESA/Hubble & NASA Citation: Disrupted globular cluster found in the constellation of Draco (2015, December 18) retrieved 18 August 2019 from https://phys.org/news/2015-12-disrupted-globular-cluster-constellation-draco.html More information: arxiv.org/pdf/1512.05090.pdf Using the data from the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) at the Xinglong Station observatory in China, the scientists were able to derive important information about the cluster such as its distance, age, mass, luminosity, velocity and orbit. They used about 2.5 million stellar spectra available in the second data release of the LAMOST spectroscopic survey, searching through the spectroscopic dataset and looking for metallicity-velocity clumping inconsistent with the field.John Jason Vickers, who is the lead author of the study along with the co-authors, estimates that this cluster, named Lamost 1, has a total mass of about 25,000 solar masses and has luminosity approximately 15,000 times greater than our sun. The researchers are 90 percent sure that the stellar group is about 11 million years old.When studying Lamost 1’s characteristics, the scientists have also found that it could be a part of a larger structure.”The large physical size and the fact that the tangential velocity dispersion is so much higher than the radial velocity dispersion imply that this could be part of a tidal stream, although some tangential velocity dispersion is certainly an effect of proper motion uncertainty at this distance,” the paper reads.By knowing the velocity and position of the Lamost 1, the researches can tell that this clump is near a point in the orbit at which it is furthest from the center of its galaxy.However, there are doubts over whether Lamost 1 is really a disrupted globular cluster. The high metallicity indicates that there is possibility that the studied group is a large dwarf galaxy progenitor. On the other hand, the lack of a strong physical overdensity speaks against this hypothesis.”The stream’s progenitor could be either a dwarf galaxy or a star cluster. The high metallicity of our stream implies that if the progenitor were a dwarf galaxy, it should be relatively massive, on par with that of the Sagittarius Dwarf. Since we do not see any prominent physical streams in the photometric data, we look to another possible explanation,” the astronomers noted in the paper.The elliptical orbit and advanced age of the clump supports the globular cluster origin theory. It was more likely a spherical collection of stars orbiting a galactic core once. “We postulate that this object is a star cluster being observed near the apocenter of its eccentric orbit. It manifests as a signature distinct from the background in velocity and metallicity space,” the scientists wrote.They conclude that the object of interest is likely to be a nearby, intermediate-age globular cluster which is being disrupted by the galactic potential. According to them, the spectroscopic technique provided by the LAMOST telescope could help uncover numerous known objects and structures, as well as more puzzling, unknown features like Lamost 1.last_img read more

Folktale diffusion traced using genomic data

first_img Study shows cultural flow may be slower than genetic divergence © 2017 Phys.org Most people today in the Western world are familiar with a handful of folktales, including “Hansel and Gretel,” “Sleeping Beauty,” “Cinderella” and “Rumpelstiltskin”—such tales typically have a moral or lesson. Those that struck a chord tended to be widely told and were passed down through the generations, first orally, then through books. The researchers with this new effort wanted to know whether such tales were distributed through the grapevine, so to speak, or whether they were carried by people moving from one place to another. To find out, they used some of the growing amount of publicly available genome data.For their study, the researchers made a list of what they deemed the 596 most famous folktales in Europe and Asia—then, they compiled another list containing titles and information about published folktales. Next, they extracted information from global genome databases that provided data regarding the movement of people over different time periods. Connecting the two types of data allowed the researchers to create flow charts that described the movement of folktales over time.The researchers were able to see that both types of distribution were involved in the spread of folktales. Some of the tales moved through populations until they reached a border, either physical or social, such as a language barrier. Others were able to make giant leaps as people traveled great distances, taking the tales with them and relating them to those they encountered. The team notes that they were also able to isolate approximately 15 of the tales that had clearly spread due to migration. The researchers report that they were also able to narrow down the origination sites of some common fables to regions as broad as Northern Africa or Central Asia. More information: Inferring patterns of folktale diffusion using genomic data, Eugenio Bortolini, PNAS, DOI: 10.1073/pnas.1614395114AbstractObservable patterns of cultural variation are consistently intertwined with demic movements, cultural diffusion, and adaptation to different ecological contexts [Cavalli-Sforza and Feldman (1981) Cultural Transmission and Evolution: A Quantitative Approach; Boyd and Richerson (1985) Culture and the Evolutionary Process]. The quantitative study of gene–culture coevolution has focused in particular on the mechanisms responsible for change in frequency and attributes of cultural traits, the spread of cultural information through demic and cultural diffusion, and detecting relationships between genetic and cultural lineages. Here, we make use of worldwide whole-genome sequences [Pagani et al. (2016) Nature 538:238–242] to assess the impact of processes involving population movement and replacement on cultural diversity, focusing on the variability observed in folktale traditions (n = 596) [Uther (2004) The Types of International Folktales: A Classification and Bibliography. Based on the System of Antti Aarne and Stith Thompson] in Eurasia. We find that a model of cultural diffusion predicted by isolation-by-distance alone is not sufficient to explain the observed patterns, especially at small spatial scales (up to ∼∼4,000 km). We also provide an empirical approach to infer presence and impact of ethnolinguistic barriers preventing the unbiased transmission of both genetic and cultural information. After correcting for the effect of ethnolinguistic boundaries, we show that, of the alternative models that we propose, the one entailing cultural diffusion biased by linguistic differences is the most plausible. Additionally, we identify 15 tales that are more likely to be predominantly transmitted through population movement and replacement and locate putative focal areas for a set of tales that are spread worldwide. Explore further Journal information: Proceedings of the National Academy of Sciencescenter_img Credit: CC0 Public Domain (Phys.org)—A team of researchers with members from several European countries has conducted a study involving tracing the spread of common folktales throughout history in Eurasia. In their paper published in Proceedings of the National Academy of Sciences, the team describes using genome data to trace two common means of folktale distribution. Citation: Folktale diffusion traced using genomic data (2017, August 8) retrieved 18 August 2019 from https://phys.org/news/2017-08-folktale-diffusion-genomic.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Massive brown dwarf detected by astronomers

first_img 2019 Science X Network An international team of astronomers has found a new brown dwarf, one of the most massive objects of this type discovered to date. The newly detected brown dwarf, designated EPIC 212036875 b, turns out to be about 50 times more massive than Jupiter. The finding is detailed in a paper published June 13 on arXiv.org. Brown dwarfs are intermediate objects between planets and stars. Astronomers generally agree that they are substellar objects occupying the mass range between 13 and 80 Jupiter masses. Notably, out of the 2,000 brown dwarfs so far detected, only about 400 of them were found to be circling around stars.Observations have shown that brown dwarfs with masses between 35 and 55 Jupiter masses orbiting their hosts at a relatively close distance (less than 3.0 AU) are extremely rare and difficult to find. This so-called “brown dwarf desert” is constantly studied by astronomers using various techniques, aiming to find other examples of this peculiar type.Now, an international group of researchers led by Carina M. Persson of Chalmers University of Technology in Sweden reports the finding of a new massive brown dwarf, apparently another representative of this desert. The new object, designated EPIC 212036875 b, was identified by NASA’s prolonged Kepler mission known as K2, and Persson’s team confirmed its brown dwarf nature using ground-based telescopes.”In this paper, we report the independent discovery and observations of EPIC 212036875 b performed by the KESPRINT consortium,” the paper reads as the detection of this object was almost simultaneously reported by other group of astronomers.According to the study, EPIC 212036875 b is about 51 times as massive as Jupiter, but approximately 17 percent smaller than our solar system’s gas giant. These values imply the brown dwarf’s mean density at a level of around 108 g/cm3.Observations conducted by Persson’s team found that EPIC 212036875 b orbits its host approximately every 5.17 days at a distance of about 0.06 AU from it. These results confirm that the newfound object represents the brown dwarf desert. Such a close orbit also means that the brown dwarf should be relatively hot—its equilibrium temperature is estimated to be about 1,450 K.The study reveals that the host, EPIC 212036875, is a slightly evolved star of spectral type F7 V, about 41 percent larger and 15 percent more massive that the sun. Its age was estimated to be around 5.1 billion years and its effective temperature was measured to be 6,230 K.In concluding remarks, the researchers ponder the possible formation and evolution scenarios for EPIC 212036875 b. They assume that this brown dwarf most likely formed due to gravitational instabilities in a protoplanetary disc.”We argue that EPIC 212036875 b formed via gravitational disc instabilities in the outer part of the disc, followed by a quick migration. Orbital tidal circularisation may have started early in its history for a brief period when the brown dwarf’s radius was larger,” the astronomers concluded. More information: Carina M. Persson et al. Greening of the Brown Dwarf Desert. EPIC 212036875 b—a 51 MJ object in a 5 day orbit around an F7 V star. arXiv:1906.05048v2 [astro-ph.EP]. arxiv.org/abs/1906.05048 Transit light curve folded to the orbital period of EPIC 212036875 b. The K2 photometric data is indicated with the red points, and the best-fitted transit model with the solid black line. The residuals of the fit are shown in the lower panel. Credit: Persson et al., 2019. Another brown dwarf in the system? Study investigates properties of HD 206893 Explore further Citation: Massive brown dwarf detected by astronomers (2019, June 20) retrieved 18 August 2019 from https://phys.org/news/2019-06-massive-brown-dwarf-astronomers.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.last_img read more

Landscapes Recreated

first_imgPriyanka Govil is an artist who invests her creative energies into painting landscapes. But interestingly her works are not about landscapes as landscapes or landscapes in art history. Her work, basically reflects various natural and man-made things around her. Showing human tendency towards nature has become her major concern lately. In the conventional sense her works are not landscapes. But each time one looks at her works, one could see the places that exist somewhere in nature. They could be mental projections of the viewer or they could be the collective memories of her journeys.  Also Read – ‘Playing Jojo was emotionally exhausting’In her up-coming exhibition, at Art Konsult, her work will emphasis on importance of natural elements and intervention of man-made elements in a natural space. The fascination towards open spaces is a key point in her works. She considers these works as transformation stages where she merges landscapes with objects or shapes; treating them as part of a positive space. She treats them as cultural images representing social surroundings.The use of surface texture plays another signature role in her work.  In the landscapes and with the use of various other elements, she prefers to reduce the subjective elements to minimum details like adding lights to a particular section, just to suggest their presence. And these depictions become her way of telling stories.last_img read more

The heart and soul of music

first_imgLiving up to their tradition of being one the best live-misc destinations in the Capital, Hard Rock Cafe at Saket made sure they kept the volumes loud. The music band, Soul’d Out performed today at Hard Rock Cafe.The idea of the summation of the band floated about for quite a while until its formation in the summer of 2011.The band consists of four members who belong to the same college, Rohit, Bhannu, Abhay and Abhijit. Each member of the band has a very special relationship with music. Also Read – ‘Playing Jojo was emotionally exhausting’With influences ranging over different genres of music, Soul’d Out quite naturally has a very interesting sound, and the members are not concerned about how that sound is defined or categorised.All that matters to them is that they have fun playing, which eventually spreads contagiously into the crowd! Whether you’re in the mood to bust a move, or just chill out with some friends over a few beers, this band can certainly leave you satisfied!Abhijt Sood played the drums, Bhaanu Mehendiratta was on the guitar, Chetan Awasthi handles the vocals, Sajal Sharma plays the bass and Abhay Sharma, the saxophone.last_img read more

Raising the drama quotient through art

first_imgThe exhibition curated by Amal and Rahaab Allana has two sections, one deals with film stills and film memorabilia of cinema from the 1940s to 70s, the second section showcases the work of nine contemporary artists who have been inspired by Bollywood films and have created artworks which are stimulating and thought provoking.Filmy Jagat is a cinema archive of the 1940’s-70’s comprising of a personal scrape book, lobby cards, songbooks and other film memorabilia. M.F. Hussain’s involvement with Bollywood has had many dimensions through the decades. A contemporary artwork entitled Culture of the Street showcases a magnificent portfolio of 20 of his photographs replete with enormous hoardings that are an integral part of Chennai’s streets. Arpana Caur’s take on the Also Read – ‘Playing Jojo was emotionally exhausting’Shree 420 poster, Kanchan Chander’s Bollywood heroines; along with newcomers like Bharti Verma, Rahul Kumar, Shirley Bhatnagar, Aban Raza, Rajiv Gautam and Sharmistha Dutta assert the dynamic presence of Bollywood in our daily lives.The other section features contemporary artwork where Art Heritage has invited young artists to respond to the dynamic presence of Bollywood in our daily lives through a variety of mediums. More often than not, it is the film hoarding, the poster and the film stills, i.e. the iconic images along with the technology used to promote films that has excited the imagination of contemporary artists in this particular show.last_img read more

Creating magic with classics

first_imgCelebrating Indian classic cinema, a five-month long film festival titled Best of Indian Cinemas is being organised in the Capital that will screen movies every alternate Saturday. The festival, in association with Doordarshan will kick off on 25 October at National Museum Auditorium. Eleven movies in different languages which are Indian classics will feature in the event. The opening day of the festival will screen the English movie For Real. Directed by Sona Jain, the movie throws light on the point of view of a six-year-old girl caught in a family discord. Also Read – ‘Playing Jojo was emotionally exhausting’English movie Stumble (directed by Prakash Belawadi) will be screened on 8 November. The film won the Indian National Film Award for Best Feature Film in English in 2003. Nishad, a Malayali movie directed by Shaji N Karun will be shown on 22 November. The movie plot is on the tensed atmosphere of 1971 when the war broke out between India and Pakistan.Marathi movie, Maala Aai Vhhaychy, directed by Samruoddhi Porey and Bengali movie Elar Char Adhyay directed by Bappaditya Bandopadhyay will be screened on 13 and 27 December respectively. Also Read – Leslie doing new comedy special with NetflixTamil movie Kanchivaram by Priya Darshan; Marathi movie Deool, directed by Umesh Vinayak Kulkarni will be screened on 10 and 24 January respectively. English movie Mr & Mrs Iyer, directed by Aparna Sen; Hindi movie Khargosh directed by by Parseh Kamdar will feature in the month of February on 14 and 28.The last month of the festival will screen the English movie The Last Lear directed by Rituparno Ghosh and Bengali movie Herbert directed by Suman Mukhopadhyay on 14 and 28 March  respectively.When: 25 October – 28 March Where: National Museum, Janpathlast_img read more

Modern twist to tradition

first_imgDastkar, in partnership with Delhi Tourism, presents the second, much awaited, edition of Dastkar Design Fair, an innovative showcase for contemporary craft design, featuring the work of designers working with traditional craft hand-skills in handloom textiles, regional embroidery styles, garments, jewellery, accessories, decorative objects and furniture by Adhya crafts pvt. ltd, Alankriti, Amru, Aranya Earthcraft, Artisans Alliance Jawaja weavers, Auld clan welfare, Awdhesh Kumar, Neelima Hasija, Resha,  Samanvay, Shabnam Gitanjali  and many more. Also Read – ‘Playing Jojo was emotionally exhausting’One can revel in the beauty of stoles, jackets, accessories and garments made from recycled textiles; Threadwork, papier-mâché, silver, Lac and Meenakari are all ancient techniques that today find new forms and styles in the jewellery ranges of modern designers.Textile designers innovate with block-printing techniques, pashmina shawl weaving and intricate Kashmiri embroideries, or in the motifs and graphic designs that are executed on the looms of traditional handloom weavers to echo today’s consumer’s tastes and colour sensibility. Also Read – Leslie doing new comedy special with NetflixAt Dastkar Design Fair one can taste a variety of cuisines at the Food Court, from home cooked Bengali to Maharashtrian cuisine, Chaat, and Parathas along with warming halwa and desserts. One can also enjoy great cultural performances too over the weekends with folk and fusion artistes.Dastkar, a registered NGO working with crafts and craftspeople for over three decades, strongly believes in crafts as a catalytic tool for social and economic empowerment and earning. Dastkar is committed to breaking the barriers that separate craftspeople from mainstream urban markets, reviving and revitalizing both the craft and the community. Partnering with Delhi Tourism, it is developing the Nature Bazaar venue in Andheria Modh, in partnership with Delhi Tourism, as a hub for crafts, culture and natural products, linking South Delhi and Gurgaon.When: January 16 to 27  Where: Nature Bazar Venue, Andheria Modh (Chattarpur metro)last_img read more

Vetiver grass plantation achieves stellar success

first_imgKolkata: The plantation of Vetiver grass to prevent soil erosion, an initiative taken by Chief Minister Mamata Banerjee, has achieved great success with Nadia district administration planting the grass along the banks of six rivers, covering an area of 210 km in 2017-18. Banerjee has named the project Sabujayan. In 2018-19, steps have been taken to plant Vetiver along the river bank, covering another 120 km. The grass will be planted along river banks, covering a total area of 743 km in Nadia. The six rivers that flow through the district are Ichamati, Churni, Mathabhanga, Jalangi, Bhagirathi and Padma. Also Read – Heavy rain hits traffic, flightsTaking cue from the success of Sabujayan in Nadia, several other districts have started planting Vetiver to prevent soil erosion along river banks. These districts are East Midnapore, East Burdwan, Hooghly, Cooch Behar, Murshidabad, Jalpaiguri and Alipurduar.Vetiver grass is primarily available in Tamil Nadu. To curtail the cost of bringing Vetiver saplings from there, 76 nurseries have been set up in Nadia. Experts from Tamil Nadu and US had visited the nurseries and expressed their satisfaction over their functioning. Also Read – Speeding Jaguar crashes into Merc, 2 B’deshi bystanders killedThe district administration in Nadia has set up six handicraft centres, two each in Nakashipara, Tehatta and Ranaghat, where several items for room decoration, curtains etc. are being manufactured from Vetiver. The room decoration items in particular, are in high demand. Vetiver grass is now being planted along the banks of waterbodies to stop soil erosion. It is also used to purify water. It also helps stop erosion of soil along roads. The farmers are given training about how they should be planted and maintained. “The plantation of the grass to prevent soil erosion, both along river banks and roads, has been highly effective. Also, home decoration items made from Vetiver have helped the artisans to earn money,” said a senior official.last_img read more

Kolkata Police yet to give permission for Amit Shah rally BJP Yuva

first_imgKolkata: The BJP Yuva Morcha today said they are yet to receive any communication from the Kolkata Police regarding permission for BJP President Amit Shah’s proposed rally here on August 11. Yuva Morcha state president Debjit Sarkar told PTI that they have submitted a formal application to police, seeking permission for Shah’s rally. He said they will move court if police deny permission. “We submitted an application to police yesterday, seeking permission for the rally. We have mentioned five venues in Kolkata for the meeting, but police are yet to give us permission. We need time to prepare for the rally,” he said. Police’s reaction was not available immediately.last_img read more

Amending constitution can cost St Stephens DU affiliation

first_imgAlso, sources said, de-recognition by the university is likely to result in the prestigious college losing funds from the University Grants Commission (UGC), which currently provides 95 per cent funding to the institution with the remaining money coming from the CNI-controlled St Stephen’s Trust.Stephen’s principal Valson Thampu, who is retiring in February next year, has circulated a draft amendment in which he has proposed that the principal be empowered to take disciplinary action against students or staff irrespective of the Governing Body’s opinion. Also Read – Man arrested for making hoax call at IGI airportHe has also called for giving a major say to CNI in the functioning of the college, handing over the faculty appointments and admissions to the Supreme Council and amending the composition of the GB.The amendment also proposes to replace St Stephen’s College Trust, which currently runs the college, with a proposed St Stephen’s Educational Society, which will have the power to establish Stephen’s-like private institutions across the country.But, the proposed amendment is likely to become a bone of contention between St Stephen’s and Delhi University as, according to university statutes, a constituent college of DU is bound to follow common rules laid down in the ordinance regarding faculty appointments, constitution of governing bodies and powers of the principal. Also Read – Disqualified AAP MLA Kapil Mishra, women’s wing chief join BJP”If the institution which was granted the status of constituent unit changes the very nature of the constitution, its recognition will be jeopardised. There are certain exemptions for Stephen’s due to its being a minority college but, in this case, DU may object to any amendment which is prejudicial to the university and, if the college is de-affiliated, it might lose UGC funding,” a source said.According to university Statute-30(D), any amendments that pertain to content of teaching, rules and regulations of faculty appointments and service conditions and modification of the constitution of Governing Body can be effected only after an enquiry is done by the DU’s Executive Council, which is the statutory decision-making body. University officials said they believe that, “St Stephen’s will deliberate before taking any such step that may undermine its relationship with Delhi University and be prejudicial to the age-old bond between the two”.Thampu, however, is claiming that it is the Supreme Council’s decision to amend the constitution and there is no violation of procedures or law in the same. “Whatever has been proposed is very much within the ambit of the law. I can challenge anyone to find any legal or procedural or statutory loophole in the same,” he said.last_img read more

CM to hand over Land Rights documents to over 400 families from

first_imgDarjeeling: Chief Minister Mamata Banerjee will be handing over Land Rights documents to more than 400 families residing in the forest villages of Darjeeling and Kalimpong during her forthcoming visit to the Hills.A review meeting between the state government and Gorkhaland Territorial Administration (GTA) officials was held at Lalkothi, the GTA Secretariat in Darjeeling to work out the modalities.”Work is in progress to verify the claims, along with mapping of the land. In Darjeeling district we had received 1,509 claims from the Scheduled Tribe communities residing in the forest villages, along with 1,232 claims from Other Traditional Forest Dwellers. In Kalimpong district, there were 3,376 claims from the ST community and 4,626 from other communities,” stated Binay Tamang, chairman, Board of Administrators, GTA. Also Read – Rain batters Kolkata, cripples normal lifeClaims of tribals are being processed first. “However, claims of non-tribals will also be processed. All have to meet the claim criteria as prescribed by the government,” added Tamang. On September 5, Chief Minister Mamata Banerjee will be handing over Land Rights documents to 300 families of Darjeeling and more than 100 families from Kalimpong district. The documents will be handed over at a government programme to be held at Chowrasta, Darjeeling on September 5.There are 59 forest villages in the Darjeeling-Pulbazar block, 31 forest villages in the Jorebungalow-Sukhia block, 11 in Rungli Rungliot block, 21 in Kurseong, 4 in Mirik block, 21 in Kalimpong 1 block, 18 in Kalimpong 2 block and 18 in the Gorubathan block.”We will have a similar review meeting in December again to process the next lot of claims,” added Tamang.last_img read more

35yearold woman killed in accident

first_imgKolkata: A chaos broke out on Purulia-Raghunathpur State Highway on Sunday morning following a road accident in which a 35-year-old woman was killed.An irate mob went on rampage, ransacking a police vehicle following the accident.Locals staged a demonstration and put a road block at Padalara village in Purulia at around 6 am protesting against the reckless driving of vehicles.The victim has been identified as Bisakha Mahata (35). She was walking along the road to get drinking water from a nearby area at the time of the accident. According to police, the woman was hit by a pickup van at Padalara village on Purulia-Raghunathpur State Highway. Also Read – Rain batters Kolkata, cripples normal lifeAnother woman Pranati Mahata, who was accompanying the victim, also received injuries in the accident.Eyewitnesses told police that the Raghunathpur-bound pickup van was running at a high speed when the driver lost control over the vehicle and it knocked down the victim.Bisakha Mahata died on the spot as she received critical injuries on various parts of her body. The accused driver fled the spot along with the vehicle. Locals rushed the injured victim to a local hospital. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedAfter being informed police reached the spot and recovered the body of the deceased. A heated altercation broke out between the police and the villagers, some of whom ransacked a police jeep.The incident caused traffic jam in the area for nearly an hour. A huge contingent of police later rushed to the spot to bring the situation under control.Senior police officers assured the villagers that the accused driver would soon be arrested and action would be taken against vehicles flouting traffic norms.last_img read more

KMC No renewal of licence for business in dilapidated buildings

first_imgKolkata: The Kolkata Municipal Corporation (KMC) will not issue fresh licence or renew the same for carrying out business in dangerous buildings in the city.The proposal was recently passed at the meeting of the Member Mayor in Council (MMiC) that was presided over by Mayor Sovan Chatterjee. “It is expected to get the nod at the monthly meeting of the KMC on Tuesday and then we will forward it to the state government for its final nod. We have to amend our 1980 Act regarding issuance and renewal of the license to make this effective,” an official of the Building department of the civic body said. Also Read – Rain batters Kolkata, cripples normal lifeThere are around 3,000 dangerous buildings in the city and a number of them are dilapidated. Many of them are used for business purposes. There are shops as well as bazaars that these buildings happen to house. “If such a dangerous building collapses, then it may prove fatal for both the buyers and the sellers. In recent times, there have been a number of cases of caving in of dangerous buildings and a few deaths too. So we have decided to act tough on this for the safety of the citizens,” the official added. Also Read – Speeding Jaguar crashes into Mercedes car in Kolkata, 2 pedestrians killedIt has been decided that the database of the dangerous buildings will be shared with the license department of the civic body. Until the KMC declares any such building safe, the license department will not renew its licence. If a building is declared safe after repair and the traders apply for license, the officers of the licence department will visit the same before the issuance. According to sources in the Building department, there are a number of dangerous buildings in Borough I, II, III, IV and V and also in VII, VIII and IX where such business activities are held. The roads in which such buildings are situated include Lenin Sarani, Strand Road, Strand Bank Road, William Lane, Kali Krishna Tagore Street, Kalakar Street, Belieghata Main Road to name a few. The KMC is also planning to make fire insurance of traders mandatory in issuance or renewal of licence.last_img read more

PURELOGIC LABS INTRODUCES INDIAS FIRST MOTORIZED PRANA AIR MOTION MASK

first_imgNew Delhi: Purelogic Labs India, an initiative to increase awareness about air pollution in India, today announced the launch of India’s first one of a kind motorized air mask, Prana Air Motion Mask. Engineered with special attention to details such as the quality of toxic air in a particular city and the various issues that one might face when breathing in, Prana Air Motion Mask provides maximum protection from the deadly haze and air pollutants both indoors and outdoors. The mask is the most convenient, effective and affordable anti-pollution solution that lets you be safe while on the go. Also Read – Add new books to your shelf Prana Motion Air Mask is built of more than 30 unique parts equipped with anti-microbial and anti-allergy qualities. The adjustable foam head strap comfortably fits on all head sizes and doesn’t have any odor or itch the skin, keeping it soft and smooth. The powerful motor carefully calibrated into the mask produces up to 2L/s air volume in comparison to the average human intake of 0.5L/s. The motor in the mask helps in creating just the right pressure to keep your airways open so you can breathe in and out easily. This motor comes with 3 different speed settings in the form of a toggle switch, which can help you set the level of air as per your activity such as walking, jogging or running. Also Read – Over 2 hours screen time daily will make your kids impulsive The motion mask has a medical silicon grade which takes the shape of your face, leaving no space for the air to come in from anywhere but the filter. The filters in the mask stops even the smallest of dust particles ranging from PM1 to PM 2.5. There are 3 different kinds of filters in the mask planted with 5 more layers. There is a pre-filter which stops the big particles of the dust. The mask also features 2 layers of activated carbon eliminating toxic gas and 2 layers of HEPA filters stopping dust particles up to PM1. These dust particles cause respiratory issues such as bronchitis and asthma. In a standard mask, you breathe in and out the same air which gives little to no space for the carbon dioxide to go out freely, making you feel tired. The Prana Air motion air mask has micro ventilators that open and close when you inhale and exhale giving you clean air to breathe. These micro ventilators attached to the motion mask also enhance the protection in the rapid extraction of heat and moisture. With this combination, you can experience enhanced breathability and cooler airflow while wearing the mask for a long period of time. Commenting on the launch of the product, Mr. Rohit Bansal (Director), Purelogic Labs, said, “We believe that breathing fresh and clean air should be everyone’s basic right. Therefore, our mission is to provide high quality, affordable, fresh and clean air for all. The Prana Air motion mask has been carefully curated with essential techniques needed to completely purify the air that you and your family breathe. It’s apersonal protection product with the capability to neutralize hazardous oxidizing gases in the air.”last_img read more

Bengal braces for impact as Fani rushes in from Odisha

first_imgKolkata: The Alipore weather office predicted on Friday that districts of South Bengal including Kolkata will face the effects of cyclonic storm Fani, the brunt of which will hit the city between late Friday night and early Saturday morning, with wind speed hovering around 90 to 100 km/h. Heavy rainfall in various parts of the state will accompany the cyclone.”The cyclonic storm which had hit the Odisha coast on Friday morning, has weakened in speed while travelling in the Northeast direction. It will hit the coastal areas of Bengal on Friday night at a wind speed of 90 to 100 km/h, which can go up to a maximum of 115 km/h. It will pass over other districts of South Bengal including Kolkata, gradually weakening along the way and will cross over to Bangladesh in the afternoon on Saturday. Weather conditions are expected to improve from Sunday,” said Sanjib Bandyopadhyay, deputy director, India Meteorological Department, Calcutta. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataThe coastal areas of East Midnapore, West Midnapore and South 24-Parganas will be the worst affected by the cyclone. The entire coastal belt of the state with districts like East Midnapore, South 24-Parganas, Hooghly, Jhargram, West Midnapore and Howrah, is expected to receive heavy rainfall particularly on Saturday. Districts like Purulia, Bankura, Birbhum, North 24-Parganas, Burdwan East and West and Murshidabad will also receive moderate to heavy rainfall from Friday night till Saturday. Also Read – Lightning kills 8, injures 16 in state”North Bengal will also bear the brunt of the cyclonic storm on May 4, with heavy rainfall predicted in some parts. There are chances of kaccha houses collapsing, trees uprooting and waterlogging in urban areas due to the effect of the cyclone,” the official warned. With the weather office recommending total suspension of tourist activities from the evening of Thursday to May 4, popular coastal destinations in the state like Digha and Mandarmani wore a deserted look on Friday. The state Transport department arranged a number of buses from Digha on Friday morning to carry passengers to the city. People living close to the river in Namkhana have been removed to cyclone centres and temporary relief camps set up by the district administration.last_img read more

Class X student died of suffocation

first_imgKolkata: The preliminary postmortem report of the Class X girl who was found dead in her school washroom on Friday has indicated that she died due to suffocation caused by the polythene bag that was wrapped around her face, cutting off the supply of oxygen. The multiple slash injuries on her wrists were self-inflicted but did not lead to her death. Sleuths investigating the death of Krittika Pal has found similarity of her pattern of suicide to a web series that she would watch on her cell phone. Also Read – Rs 13,000 crore investment to provide 2 lakh jobs: MamataThe suicide note that was recovered from the washroom beside her body clearly indicated that there was some sort of anger and depression within her. However, the sleuths are still in the dark about it. “She has written of somebody trying to inflict injury upon her in the suicide note. She may be suffering from some sort of hallucination or may be there was really somebody whose behaviour had been traumatising her. We need to speak to her parents for further leads but they are yet to recover from the shock,” an investigating officer said. Also Read – Lightning kills 8, injures 16 in stateChairperson of West Bengal State Commission for Protection of Child Rights Ananya Chatterjee Chakraborti who visited the school in Ranikuthi on Saturday said the school has informed her that the victim’s mother had told the school authorities after her daughter’s death that she had earlier made suicide attempts. “The school would have been extra cautious if they were informed of this suicidal tendency of the child earlier,” she added.last_img read more