More than 450 photographers submitted a shot to SciFri's Winter Nature Photo Contest, and thousands of fans helped choose a winner. Contest judge Clay Bolt discusses the winning entry, and what makes for a prize-winning shot. Plus, tips for budding nature photographers.
Harvesting stem cells from human fat may be an effective way to treat brain cancer, researchers report in the journal PLoS One. Alfredo Quinones-Hinojosa, of the Johns Hopkins School of Medicine, explains how fat cells can be used as Trojan horses to fight cancer.
Kathy Reichs, the writer and scientist behind the TV show Bones, is back with a new novel for young adults. Code: A Virals Novel stars Tory Brennan, great-niece of Reich's famed crime-solving heroine Tempe Brennan. Reichs discusses the book, co-written with Brendan Reichs.
By combing through 100 million search queries on Bing, Yahoo and Google, Microsoft Research Lab co-director Eric Horvitz and his colleagues were able to discover a previously unknown interaction between two commonly prescribed drugs. Horvitz says the method might detect dangerous drug interactions earlier than the FDA's warning system.
Microbes may once have happily existed on the surface of Mars, according to chemical analysis of a sedimentary rock in the Red Planet's Gale crater. NASA geologist and exobiologist David Blake discusses evidence for an ancient freshwater lake in the crater, and describes the mineral-chomping microbes that may have thrived there.
A giant reservoir of natural gas lies under the ocean floor, and no one had successfully extracted it until this week. Japanese engineers pulled it up through a well from under the Pacific. But there are still lots of unanswered questions about the viability of this new gas supply.
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