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Cellular ‘Rejuvenation’ Experiment in Mice Reverses Signs of Aging, Scientists Say

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With age comes experience. And with experience come sore backs, tired bones, and increased risks from a large number of diseases. Scientists have long been trying figure out how to stop these aches and pains in our twilight years, and to make us live longer and healthier lives at the same time.   While it’s … Read more

Lifespan: Cutting down meat and dairy could help you live up to a decade longer

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A new website based on the latest scientific research offers people an indication of how their dietary choices can affect their lifespan Health 8 February 2022 By Michael Le Page Fresh fruit and vegetables – key to a longer life? Shutterstock / Rawpixel.com Want to know roughly how much longer you might live if you … Read more

Scientists discover lost range of ‘supermountains’ three times longer than the Himalayas

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Twice in our planet’s history, colossal mountain ranges that towered as tall as the Himalayas and stretched thousands of miles farther reared their craggy heads out of the Earth, splitting ancient supercontinents in two. Geologists call them the “supermountains.” “There’s nothing like these two supermountains today,” Ziyi Zhu, a postdoctoral student at The Australian National … Read more

Ageing: Gene variant found in centenarians may be linked to longer lifespan

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A rare variant of the SIRT6 gene increases DNA repair in human cells, and learning its effects could help to develop anti-ageing drugs Health 31 January 2022 By Michael Le Page A cake for a 100th birthday kajakiki/Getty Images A rare gene variant identified in people who have lived to 100 or more appears to … Read more

Water on Mars may have flowed for a billion years longer than thought

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Observations by a long-running Mars mission suggest that liquid water may have flowed on the Red Planet as little as 2 billion years ago, much later than scientists once thought. Scientists charted the presence of chloride salt deposits left behind by flowing water using years of data from NASA’s Mars Reconnaissance Orbiter (MRO), which has … Read more

Waiting Over 5 Hours in ER Is Linked to Higher Death Rates, New Data Show

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As emergency rooms worldwide are flooded with a wave of new COVID-19 patients, a large study in the United Kingdom has laid out the deadly consequences of delayed critical care.   Nearly 27 million individuals attended a major emergency room in England from 2016 to 2018, waiting on average just under five hours for a … Read more

U.S. science no longer leads the world. Here’s how top advisers say the nation should respond | Science

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A new data-rich report by the National Science Foundation (NSF) confirms China has overtaken the United States as the world’s leader in several key scientific metrics, including the overall number of papers published and patents awarded. U.S. scientists also have serious competition from foreign researchers in certain fields, it finds. That loss of hegemony raises … Read more

Mercury pollution: Fish recover quickly when water is no longer contaminated

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Mercury pollution is a major global environmental problem, with small-scale gold mining and coal burning the two biggest sources, but fish can recover quickly when the pollution stops Environment 15 December 2021 By Adam Vaughan Northern pike recover quickly when mercury pollution stops Imagebroker / Alamy Fish populations appear to recover rapidly from mercury pollution … Read more

Anti-ageing: Mice treated with a chemical from grape seed extract live 9 per cent longer and are more physically fit

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A chemical derived from grape seeds selectively destroys worn-out cells in mice, allowing them to live 9 per cent longer than their untreated counterparts Health 6 December 2021 By Carissa Wong Grapes cut open to reveal their seeds Shutterstock / kholywood A chemical isolated from grape seed extract prolongs the lifespans of old mice by … Read more