Bizuayehu Tesfaye / AP Photo
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Are Doctors Doing Too Much?
Bizuayehu Tesfaye / AP Photo
The recent furor over PSA testing highlights a larger debate about over-prescribing care....
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Neil Armstrong Opens Up
CPA Australia
More than 42 years after his remarkable mission, the usually laconic Neil Armstrong speaks in great...
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article
The Mystery of the Multiverse
How many universes are there? MORE
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cheat sheet
Study: Coffee Lowers Risk of Death
Two to three cups a day said to be best. MORE
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article
David Eagleman: How I Write
The neuroscientist talks to Noah Charney about his academic work, his popular books, and accidentally founding “possibilianism.” MORE
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cheat sheet
Aimee Copeland’s Parents Read Her Lips
Suffering from rare flesh-eating bacteria. MORE
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article
A Mighty Wind
Did flatulant dinosaurs really cause climate change? MORE
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article
The Sorrow Beneath the Sea
Imagine a world without whales and sharks, where jellyfish rule. It's already happening, says biologist Callum Roberts in 'The Ocean of Life.' MORE
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gallery
7 Ocean Species on the Brink
From the giant bluefin tuna to the helpless abalone, ocean wildlife is under attack. See a handful of the most threatened. MORE
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article
The World Isn’t Ending!
The Mayans predicted that the world would end in 2012, right? Not according to a recent dig. MORE
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article
T-Rex Didn’t Gas Itself Extinct
Dinosaur flatulence contributed to global warming, but climate change didn’t kill the beasts. Daniel Stone reports. MORE
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cheat sheet
Flatulence Killed Dinosaurs: Study
Produced tons of methane gas. MORE
