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Ancient Eurasiatic ‘superfamily’ found at root of European and Asian languages

Languages spoken by billions of people across Europe and Asia are descended from an ancient tongue uttered in southern Europe at the end of the last ice age, according to research. The claim, by scientists in Britain, points to a common origin for vocabularies as varied as English and Urdu,…

Disclosing donors hurts political attack ads, but keeping them secret hurts worse: study

Supporters of the DISCLOSE Act now have empirical evidence to back up their claims, thanks to a study published April in American Politics Research. “Despite the rise of anonymity in political advertising, there has been little empirical work examining the effects of disclosure of donors on the persuasiveness of campaign…

Elevating ‘garbage man’ gene in cells could extend life

A gene that acts like a garbage man to clean up old material in the cells boosted the life spans of fruit flies and may offer new paths in the fight against human aging, US researchers said Monday. When researchers manipulated the neurons of fruit flies to contain higher levels…

HIV vaccine failed due to feuding antibodies: researchers

US researchers said Monday that a high-profile HIV vaccine trial that was shown to work in just under a third of patients may have been hindered by feuding antibodies. The vaccine trial, known as RV144, involved more than 16,000 HIV negative volunteers in Thailand and used two investigational vaccines in…

NASA: Sending humans to Mars is ‘ultimate destination in our solar system’

Setting foot on Mars by the 2030s is human destiny and a US priority, and every dollar available must be spent on bridging gaps in knowledge on how to get there, NASA’s chief said Monday. Addressing a conference of space experts at George Washington University, NASA administrator Charles Bolden said…

Scientists: Climate change causing Arctic Ocean to acidify at alarming rate

Scientists with the Arctic Monitoring and Assessment Programme (AMAP) warned Monday morning that the Arctic Ocean is acidifying much more rapidly than previously thought, adding that it will be “tens of thousands of years” before the worst effects of climate change on the Arctic Ocean can be mitigated. The Arctic…

Study: Climate-driven mega hurricanes have sights set on Hawaii

The state of Hawaii faces a dire threat over the next 75-90 years from mega hurricanes super-charged by climate change, a team of Hawaiian scientists announced in a study published Sunday. Although it is incredibly rare that hurricanes hit Hawaii, that’s all going to change as the ocean’s surface temperature…

Experts now agree: Humans could walk on Mars within 20 years

AFP – NASA and private sector experts now agree that a man or woman could be sent on a mission to Mars over the next 20 years, despite huge challenges. The biggest names in space exploration, among them top officials from the US space agency and Buzz Aldrin, the second…

Study shows kids eat healthier with shared family diet

Sitting down to the same meals as Mum and Dad found to have a bigger impact on health than class or snacking habits Children who eat the same meals as their parents are far more likely to have healthy diets than those who do not, according to research. Eating the…

New CDC report finds stunning suicide increases among middle-aged Americans

JUDY WOODRUFF: There’s been a stunning increase in the suicide rate among middle-aged Americans. The finding is part of a new study by the Centers for Disease Control and Prevention that spells out how much suicide is a growing public health concern in the U.S. Ray Suarez has more. RAY…

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