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Rescued endangered sea turtle undergoes experimental treatment in Seattle

Seattle veterinarians will test a rescued sea turtle on Friday to see whether treatment in a hyperbaric chamber, typically used for decompression sickness in human divers, has cured a buoyancy disorder preventing the marine reptile from being released back to the ocean.

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Five foods that used to be bad for you -- but now aren't

Nutritional guidelines and recommendations are constantly changing in the light of new research. It can be difficult to keep up with which foods are healthy and which aren’t. Here we look at five foods that have gone through the cycle of being the villains of nutritional science but are now, based on some old and some new science, apparently okay to eat again.

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Search for alien signals expands to 20,000 star systems

The search for radio signals from alien worlds is expanding to 20,000 star systems that were previously considered poor targets for intelligent extraterrestrial life, US researchers said Wednesday.

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What does the science really say about sea-level rise?

A recent high-profile study led by US climatologist James Hansen has warned that sea levels could rise by several metres by the end of this century. How realistic is this scenario?

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Johns Hopkins surgeons perform first US liver transplant between HIV-positive donors

The world's first liver transplant from a donor infected with HIV to an HIV-positive recipient was announced Wednesday by US doctors, three years after a US ban on such operations was overturned.

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Mystery 'hobbits' on Indonesian island disappeared earlier than thought: study

A group of extinct human relatives dubbed "hobbits", which left tantalising traces of their existence in an Indonesian cave, disappeared much longer ago than previously thought, archaeologists said on Wednesday.

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This specific type of bias explains the hardcore conservatism of people like Ted Cruz

During this campaign season, many have argued (ourselves included) that sleep deprivation explains Donald Trump’s behavior as well as anything does. But, while the GOP front-runner is a sexist, batty bombast with the ethical rigidity of a water-logged gummy bear, he isn’t politically conservative in the traditional sense, and neither are his supporters. Ideologically, he’s a man of the people — well, he’s whatever man a reactionary, fickle people demands at the moment. He’s a shape-shifter; the non-solid, non-liquid diet prescribed to people without teeth. (At least we can count on Yogurt to expire by summer.)

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Here's why people risk their lives for the perfect selfie -- according to science

2016 hasn’t been a great year for the selfie.

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Here’s how Big Tobacco targets mentally ill people

Talk about crazy: Even after the tobacco industry was cornered into revealing in 2007 that it had targeted mentally ill people for decades with fake science and free cigarettes, the puffing continued apace.

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Parts of Great Barrier Reef hit with worst 'bleaching' ever: researchers

Aerial surveys of Australia's Great Barrier Reef have revealed the worst bleaching on record in the icon's pristine north, scientists said Tuesday, with few corals escaping damage.

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Fracking-induced earthquakes are putting seven million Americans at risk: USGS

Around seven million people in the United States live in areas at risk of damaging, human-induced earthquakes that are often linked to fracking, a report out Monday said.

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Caveman's best friends? Preserved 12,460-year-old Ice Age puppies awe scientists

The hunters searching for mammoth tusks were drawn to the steep riverbank by a deposit of ancient bones. To their astonishment, they discovered an Ice Age puppy's snout peeking out from the permafrost.

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Atheists may be more intelligent -- but less empathetic -- than believers: study

A new study published in the online journal PLOS ONE has found that the conflict between science and religion is being fought by two opposing networks in the brain. By understanding just how these brain regions are duking it out may help to answer questions like, “Why are some people deeply religious while others think it is absurd to believe in the supernatural? Why do some choose to be creationists while others believe in evolution, despite observing much of the same evidence?“

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