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The Nutshell

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image: Bear Study Breaks Down

Bear Study Breaks Down

By | September 2, 2015

Authors retract a paper on grizzlies’ metabolism after finding one person made up data.

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image: New Species Links River and Oceanic Dolphins

New Species Links River and Oceanic Dolphins

By | September 2, 2015

Fossilized remains from a river dolphin relative provide some details about when the mammals left the oceans.

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image: Hormone Affects “Runner’s High”

Hormone Affects “Runner’s High”

By | September 2, 2015

Leptin, the satiety hormone produced by fat, affects neuronal signaling in the mouse brain; interference with this pathway can influence the rewarding effects of running in the animals.

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image: <em>Legionella</em> Strikes Again

Legionella Strikes Again

By | September 2, 2015

Following an outbreak in New York City last month, Legionnaires’ disease pops up in Illinois and California. 

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image: Unexpectedly Wild

Unexpectedly Wild

By | September 1, 2015

Genomic analysis reveals pigs interbred with wild boars during domestication.

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image: Color Clues in Dino Fossils

Color Clues in Dino Fossils

By | August 31, 2015

Researchers confirm that some microscopic imprints in fossilized dinosaur feathers are pockets of melanin.

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image: PubPeer Founders Revealed

PubPeer Founders Revealed

By | August 31, 2015

Neuroscientist Brandon Stell identifies himself as one of the creators of the post-publication peer review website, as he and his colleagues announce the nonprofit PubPeer Foundation.

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image: Psychology’s Failure to Replicate

Psychology’s Failure to Replicate

By | August 31, 2015

Researchers react to the finding that most of 100 studies recently analyzed were not reproducible.

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image: Oliver Sacks Dies

Oliver Sacks Dies

By | August 31, 2015

The neurologist and author had written about his recent experiences being “face to face with dying.”

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image: Organ Engineer Cleared of Misconduct

Organ Engineer Cleared of Misconduct

By | August 31, 2015

The Karolinska Institute has rejected the conclusions of an earlier, independent investigation, finding regenerative medicine researcher Paolo Macchiarini not guilty of scientific misconduct.

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