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Science Technology » Science
Animals engineered with ancient genes give an insight into evolution

Animals engineered with ancient genes give an insight into evolution

14 Jan 2017 | 4:51 PM

New Delhi, Jan 14 (UNI) It may not be a ‘Jurassic Park’ in the making but scientists have created the first genetically modified animals containing reconstructed ancient genes, which they used to test the evolutionary effects of genetic changes that happened in the deep past on the animals' biology and fitness.

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Mother-daughter conflict of whales may explain evolution of menopause

Mother-daughter conflict of whales may explain evolution of menopause

14 Jan 2017 | 3:01 PM

New Delhi, Jan 13 (UNI) Researchers studying whale behavior says that mother-daughter conflict can explain why killer whales are one of only three known species of mammal, including humans, to go through the menopause.

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Baboons can make vowel-like sounds comparable to humans

Baboons can make vowel-like sounds comparable to humans

12 Jan 2017 | 4:13 PM

New Delhi, Jan 12 (UNI) The sounds made by Baboon, an type of Old World monkey, contain vowel-like sounds comparable human speech.

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Deciphering gravitational biology: why astronauts suffer bone loss?

Deciphering gravitational biology: why astronauts suffer bone loss?

10 Jan 2017 | 4:02 PM

New Delhi, Jan 10 (UNI) Space travel in a reduced gravity environment can have lasting effects on the human body and many research studies have shown that astronauts undergo a significant drop in bone mineral density during space missions.

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Researchers design one of strongest, lightest materials known

Researchers design one of strongest, lightest materials known

07 Jan 2017 | 3:01 PM

New Delhi, Jan 7 (UNI) One of the strongest lightweight materials known, by compressing and fusing flakes of graphene, a two-dimensional form of carbon has been designed by researchers.

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Scientists crack the structure of deadly HIV machinery

06 Jan 2017 | 1:00 PM

New Delhi, Jan 6 (UNI) Scientists have solved the atomic structure of a key piece of machinery that allows HIV to integrate into human host DNA and replicate in the body, which has eluded researchers for decades.

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Humans may have occupied Tibetan Plateau 7 to 12 thousand years ago

Humans may have occupied Tibetan Plateau 7 to 12 thousand years ago

06 Jan 2017 | 12:59 PM

New Delhi, Jan 6 (UNI) A new analysis of an archaeological site in the high mountains of Tibet suggests that permanent residents may have set up camp thousands of years sooner than previously thought.

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280 million-year-old fossil reveals origins of shark-like fishes

280 million-year-old fossil reveals origins of shark-like fishes

05 Jan 2017 | 12:12 PM

New Delhi, Jan 5 (UNI) High-definition CT scans of the fossilised skull of a 280 million-year-old fish reveal the origin of chimaeras, a group of cartilaginous fish related to sharks.

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Dinosaur eggs took 3 to 6 months to hatch

Dinosaur eggs took 3 to 6 months to hatch

03 Jan 2017 | 5:46 PM

New Delhi, Jan 3 (UNI) New research on the teeth of fossilized dinosaur embryos indicates that the eggs of dinosaurs took a long time to hatch - between about three and six months.

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Evolution of brain & tooth size were not linked in humans

Evolution of brain & tooth size were not linked in humans

03 Jan 2017 | 5:44 PM

New Delhi, Jan 3 (UNI) Whereas brain size evolved at different rates for different species, especially during the evolution of Homo, the genus that includes humans, chewing teeth tended to evolve at more similar rates for different species.

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Using physics to understand how wind blows

Using physics to understand how wind blows

31 Dec 2016 | 5:10 PM

New Delhi, Dec 31 (UNI) As the sun isn't always shining, nor is the wind always blowing, the amount of energy generated by renewable sources fluctuates, depending on the natural variability of resources at any given time.

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Cell therapy as fountain of youth: Stock-talking by scientist

Cell therapy as fountain of youth: Stock-talking by scientist

30 Dec 2016 | 1:09 PM

New Delhi, Dec 30 (UNI) By removing senescent cells (cells with a persistent damage response), which naturally accumulate with age, old rodents can regrow hair, run faster, and improve organ function.

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Hubble gazes at cosmic megamaser

Hubble gazes at cosmic megamaser

30 Dec 2016 | 12:47 PM

New Delhi, Dec 30 (UNI) A galaxy, seen through Hubble space telescope, has a far more exciting and futuristic classification than most - it hosts a megamaser.

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Ripples in spacetime: Breakthrough of the Year

Ripples in spacetime: Breakthrough of the Year

24 Dec 2016 | 12:06 PM

New Delhi, Dec 24 (UNI) The discovery of ripples in spacetime—gravitational waves—which shook the scientific world this year, has now been declared as the scientific breakthrough of 2016 by the prestigious magazine Science.

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Scientists build bacteria-powered battery on single sheet of paper

Scientists build bacteria-powered battery on single sheet of paper

22 Dec 2016 | 2:58 PM

New Delhi, Dec 22 (UNI) Instead of ordering batteries by the pack, we might get them by the ream in the future – much the way we stack paper today.

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Nature names LIGO physicist among top 10 scientists of the year

Nature names LIGO physicist among top 10 scientists of the year

20 Dec 2016 | 4:21 PM

New Delhi, Dec 20 (UNI) Professor Gabriela González, who serves as the spokesperson for the 1,000-member international LIGO Scientific Collaboration, has been named one of the top 10 scientists in the world by the scientific journal Nature.

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Breakthrough 2016: Gravitational waves or growing embryo in a dish?

Breakthrough 2016: Gravitational waves or growing embryo in a dish?

19 Dec 2016 | 6:23 PM

New Delhi, Dec 19 (UNI) Detection of gravitational waves, predicted by Einstein some 100 years ago, could be one of the most important scientific discoveries of 2016, but another breakthrough, growing a human embryo in a dish, is eliciting more response among voters who would nominate the most “momentous scientific discovery, development, or trend of 2016” announced by the prestigious magazine Science.

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Scientists discover 163 new species in Greater Mekong region: WWF

Scientists discover 163 new species in Greater Mekong region: WWF

19 Dec 2016 | 10:19 AM

BANGKOK, Dec 19 (Reuters) A rainbow-headed snake and a dragon-like lizard are among 163 new species that scientists recently discovered in the Greater Mekong region, conservation group WWF said today, adding rapid development in the area, from dams to mines, was threatening wildlife survival.

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World's smallest radio receiver – just 2 atoms in size

World's smallest radio receiver – just 2 atoms in size

17 Dec 2016 | 4:24 PM

New Delhi, Dec 17 (UNI) Scientists have made the world's smallest radio receiver - built out of an assembly of atomic-scale defects in pink diamonds.

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Indian engineers, scientists can do better work in space research and satellite: Kakodkar

Indian engineers, scientists can do better work in space research and satellite: Kakodkar

17 Dec 2016 | 1:08 PM

Thane, Dec 17 (UNI) Indian Nuclear Scientist and former Chairman of the Atomic Energy Commission of India Padma Vibhushan Dr Anil Kakodkar dismissed the belief by foreign countries that it would be difficult and costly for India to do space research and achieve success in the release of satellite.

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New theory challenging Einstein on gravitational lensing tested

New theory challenging Einstein on gravitational lensing tested

13 Dec 2016 | 10:58 AM

New Delhi, Dec 13 (UNI) Gravity of galaxies bends space, such that the light travelling through this space is bent, as through a lens.

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Next-generation accelerators get boost from new beam physics

Next-generation accelerators get boost from new beam physics

11 Dec 2016 | 11:48 PM

New Delhi, Dec 11 (UNI) Scientists have taken a major step toward laying the technical groundwork for developing next-generation high-intensity accelerators by providing a new advanced theoretical tool for the design and analysis of complex beam lines with strong coupling.

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Finger swipe-powered phone?

Finger swipe-powered phone?

10 Dec 2016 | 10:16 AM

New Delhi, Dec 10 (UNI) Charging mobile phones with finger swipes and powering Bluetooth headsets simply by walking may soon become a reality.

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Macaques have anatomy, not the brain, for human speech

Macaques have anatomy, not the brain, for human speech

10 Dec 2016 | 10:11 AM

New Delhi, Dec 10 (UNI) Monkeys known as macaques possess the vocal anatomy to produce "clearly intelligible" human speech but lack the brain circuitry to do so, according to new research.

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Amber specimen offers rare glimpse of feathered dinosaur tail

Amber specimen offers rare glimpse of feathered dinosaur tail

09 Dec 2016 | 4:15 PM

New Delhi, Dec 9 (UNI) Researchers have discovered a dinosaur tail complete with its feathers trapped in a piece of amber.

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Carbon monoxide 'scavenger' offers potential antidote to silent killer

Carbon monoxide 'scavenger' offers potential antidote to silent killer

08 Dec 2016 | 2:58 PM

New Delhi, Dec 8 (UNI) Researchers have designed a scavenger molecule that can trap and remove carbon monoxide (CO) from the bloodstream within minutes, protecting mice from this common "silent killer.

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EBVs: Comparing biodiversity with the stock markets

EBVs: Comparing biodiversity with the stock markets

07 Dec 2016 | 2:44 PM

New Delhi, Dec 7 (UNI) Much like share markets indices, Essential Biodiversity Variables (EBVs), or indices of biodiversity, have the potential to help stop species loss.

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GeroScope – using computer modelling to beat aging

GeroScope – using computer modelling to beat aging

07 Dec 2016 | 2:43 PM

New Delhi, Dec 7 (UNI) A GeroScope algorithm (a formula or set of steps for solving a mathematical problem using computers) has been developed by scientists to identify geroprotectors -- substances that extend healthy life.

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Shape matters when light meets atom

Shape matters when light meets atom

03 Dec 2016 | 9:39 PM

Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what you're looking at.

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How it takes just 6 seconds to hack a credit card

How it takes just 6 seconds to hack a credit card

02 Dec 2016 | 12:27 PM

New Delhi, Dec 2 (UNI) Even as the government in India talks about transition to cashless online transactions, scientists warn that working out the card number, expiry date and security code of any credit or debit card can take as little as six seconds and calls for nothing more than guesswork.

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