Public Library of Science

Early uses of chili peppers in Mexico

Chili peppers may have been used to make spicy beverages thousands of years ago in Mexico, according to new research published November 13 in the open-access journal PLOS ONE by Terry Powis at Kennesaw State University and ...

dateNov 13, 2013 in Archaeology & Fossils
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Stop eating! You are full

Researchers have identified a molecule sent by fat cells to the fly brain that senses when they have had enough food and inhibits feeding, according to a study publishing March 28 in the open access journal PLOS Biology by ...

dateMar 28, 2017 in Cell & Microbiology
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Cheating favors extinction

Cooperative behaviour is widely observed in nature, but there remains the possibility that so-called 'cheaters' can exploit the system, taking without giving, with uncertain consequences for the social unit as a whole. A ...

dateApr 30, 2013 in Evolution
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The supremely intelligent rat-cyborg

When Deep Blue battled the reigning human chess champion the world held its breath. Who was smarter … man or machine? A human victory would confirm the superiority of human intelligence, while a victory for Deep Blue would ...

dateMar 07, 2016 in Hi Tech & Innovation
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