Science

Now, `easy, fast, reliable` app to record death causes

Washington D.C, Dec 16 - With the development of a revolutionary new app, an easy, fast and reliable way to record global causes of death on tablets and mobile phones has come into being.

Worldwide, two in three deaths - 35 million each year - are unregistered. Around 180 countries that are home to 80 per cent of the world's population do not collect reliable cause of death statistics.

The app is the result of a decade-long global collaboration, led by the University of Melbourne and researchers at the Institute for Health Metrics and Evaluation (IHME) at the University of Washington.

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Gamma rays from 'galaxy far far away' detected

Washington D.C, Dec 16 : Gamma rays from a galaxy halfway across the visible universe have been detected by a team of astronomers.

In April 2015, after traveling for about half the age of the universe, a flood of powerful gamma rays from a distant galaxy slammed into Earth's atmosphere. That torrent generated a cascade of light - a shower that fell onto the waiting mirrors of the Very Energetic Radiation Imaging Telescope Array System (VERITAS) in Arizona. The resulting data have given astronomers a unique look into that faraway galaxy and the black hole engine at its heart.

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Seeking social media news puts you at higher `information bubble` risk

Washington D. C, Dec 15 - A new study has revealed that the social media news consumers are at a higher risk of "information bubbles."

Indiana University researchers have found that people who seek out news and information from social media are at higher risk of becoming trapped in a "collective social bubble" compared to using search engines.

The results are based on an analysis of over 100 million Web clicks and 1.3 billion public posts on social media.

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Early death: The price for head of govt`s seat

Washington D. C, Dec 15 - A new study has linked the election to head of government to an increased risk of early death compared with runner-up candidates.

However, a second study finds that in the UK, mortality among members of Parliament (MPs) and members of the House of Lords (Lords) was up to 37 percent lower than that of the general population over the past 65 years.

In the first study, a team of US researchers set out to test the theory that politicians elected to head of government may experience accelerated aging and premature death due to stress of leadership and political life.

They compared survival of 279 nationally elected leaders from 17 countries with 261 unelected candidates who never served in office, from 1722 to 2015.

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Millet bridged gap between hunter-gathering and farming

Washington D.C, Dec 14 - Now a forgotten crop in the West, Millet, a cereal familiar today as birdseed, is the missing link in prehistoric humans' transition from hunter-gatherer to farmer, according to a new study.

The University of Cambridge research shows millet was carried across Eurasia by ancient shepherds and herders laying the foundation, in combination with the new crops they encountered, of 'multi-crop' agriculture and the rise of settled societies. Archaeologists say the 'forgotten' millet has a role to play in modern crop diversity and today's food security debate.

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`Modern birds` result of Earth's geography

Washington D. C, Dec. 13 - The power of flight gives birds the edge over most other creatures. Evolution of birds is thought to have begun in the Jurassic Period, and now scientists believe that the Avian evolution is greatly shaped by the history of our planet's geography and climate.

A new research led by the American Museum of Natural History reveals the DNA-based work finds that birds arose in what is now, South America, around 90 million years ago.

They had radiated extensively around the time of the Cretaceous-Paleogene extinction event that killed off the non-avian dinosaurs.

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Know how storm activities cause persistent weather extremes

Washington D.C., Dec. 13 - If you thought that less severe storms in the mid-latitudes bring good news along with them, then according to a recent study these storms have a moderating effect on land temperatures.

Lead researcher Jascha Lehmann from the Potsdam Institute for Climate Impact Research said that they affect land temperatures because they bring maritime air from the oceans to the continents and a lack of them can thus favour extreme temperatures.

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Days are getting longer

Washington D.C, Dec 12 - According to a new study, the days are getting longer.

Scientists are studying past changes in sea level in order to make accurate future predictions of this consequence of climate change, and they're looking down to Earth's core to do so.

In order to fully understand the sea-level change that has occurred in the past century, the University of Alberta researchers need to understand the dynamics of the flow in Earth's core, said Mathieu Dumberry.

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US House backs bill to bar climate change from trade deals

Washington : The United States House of Representatives has approved a bill that would block US negotiators from using trade agreements to cut greenhouse gas emissions.

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Now, urine-powered socks that send `Wee-Fi` signal to PC

Washington D.C, Dec 12 - Normally we flush it down the toilet, but science wise, urine is tipped to be a fuel for the future. At least, that's what this team of researchers thinks, because they've made a pair of socks that uses the liquid to generate electricity.

A pair of socks embedded with miniaturised microbial fuel cells (MFCs) and fuelled with urine pumped by the wearer's footsteps has powered a wireless transmitter to send a signal to a PC. This is the first self-sufficient system powered by a wearable energy generator based on microbial fuel cell technology.

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Volcanoes sparked `Jurassic ice age`

Washington D.C, Dec 12 - Around 170 million years ago, our world faced an ice-age and now, the scientists are trying to explore the causes behind it.

The international team of experts, including researchers from the Camborne School of Mines, has found evidence of a large and abrupt cooling of the Earth's temperature during the Jurassic Period, which lasted millions of years.

The scientists found that the cooling coincided with a large-scale volcanic event, called the North Sea Dome, which restricted the flow of ocean water and the associated heat that it carried from the equator towards the North Pole region.

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'Ghost' cluster may reveal Milky Way's origin

Washington D.C, Dec 11 - A team of astronomers has analyzed a unique star cluster they say is a remnant of the earliest days of the Milky Way.

When our galaxy was born, around 13,000 million years ago, a plethora of clusters containing millions of stars emerged. But over time, they have been disappearing. However, hidden behind younger stars that were formed later, some old and dying star clusters remain, such as the so-called E 3. European astronomers have now studied this testimony to the beginnings of our galaxy.

Globular clusters are spherical-shaped or globular stellar groupings, hence its name- which can contain millions of stars. There are about 200 of them in the Milky Way, but few are as intriguing to astronomers as the E 3 cluster.

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`Far less CO2-emitting` diesel comes closer to reality

Washington D.C, Dec 11 - In an effort to replace pollutant fuels, a team of scientists has come up with a cleaner alternative.

Researchers from KU Leuven and Utrecht University have discovered a new approach to the production of fuels, which can be used to produce much cleaner diesel. It can quickly be scaled up for industrial use. In 5 to 10 years, we may see the first cars driven by this new clean diesel.

The production of fuel involves the use of catalysts. These substances trigger the chemical reactions that convert raw material into fuel. In the case of diesel, small catalyst granules are added to the raw material to sufficiently change the molecules of the raw material to produce useable fuel.

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World's first test tube puppies born

Washington D. C, Dec 10 - The first-ever litter of puppies conceived through in vitro fertilization was born recently in what scientists described as a possible eradication of genetic diseases in both dogs and humans

The Cornell University breakthrough opens the door for conserving endangered canid species, using gene-editing technologies to eradicate heritable diseases in dogs and for study of genetic diseases. Canines share more than 350 similar heritable disorders and traits with humans, almost twice the number as any other species.

Nineteen embryos were transferred to the host female dog, which gave birth to seven healthy puppies, two from a beagle mother and a cocker spaniel father and five from two pairings of beagle fathers and mothers.

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Negative ageism risks memory, hearing

Washington D. C, Dec 10 - If you entertain negative age stereotypes, you may want to read this: When older adults don't feel good about aging, they may lack confidence in their abilities to hear and remember things and perform poorly at both.

People's feelings about getting older influence their sensory and cognitive functions, said lead author Alison Chasteen. "Those feelings are often rooted in stereotypes about getting older and comments made by those around them that their hearing and memory are failing. So, we need to take a deeper and broader approach to understanding the factors that influence their daily lives."

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