Science Quickly

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Ancient Rock Art Got a Boost From Bacteria Nov 25, 2019

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Indigenous artists in what’s now British Columbia created pigments by cooking aquatic bacteria. Christopher Intagliata reports.

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Ick Factor Is High Hurdle for Recycled Drinking Water Nov 24, 2019

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Recycled wastewater can be cleaner than bottled water, but people still avoid drinking it because of their disgust over its past condition.

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Bots Outperform Humans if They Impersonate Us Nov 21, 2019

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Bots masquerading as humans in a game outperformed their human opponents—but the their superiority vanished when their machine identity was revealed. Christopher Intagliata reports.

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Implanting Memories in Birds Reveals How Learning Happens Nov 20, 2019

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Researchers activated specific brain cells in zebra finches to teach them songs they’d ordinarily have to hear to learn.

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Dogs Like Motion That Matches Sound Nov 19, 2019

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Pet dogs appeared more interested in videos of a bouncing ball when the motion of the ball matched a rising and falling tone. Christopher Intagliata reports.

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Egyptian Vats 5,600 Years Old Were For Beer Brewing Nov 16, 2019

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Archaeologists working in the ancient city of Hierakonpolis discovered five ceramic vats containing residues consistent with brewing beer.

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Famously Fickle Felines Are, in Fact, Clingy Nov 13, 2019

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Cats are clingier to their human owners than their reputation would suggest. Karen Hopkin reports.

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Aversion to Broccoli May Have Genetic Roots Nov 12, 2019

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Study subjects with a gene variant that heightened their sensitivity to bitterness tended to eat fewer vegetables than people who didn’t mind bitter flavors. Christopher Intagliata reports.

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Marine Mammal Epidemic Linked to Climate Change Nov 09, 2019

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A measleslike virus is ricocheting through marine mammal populations in the Arctic—and melting sea ice might be to blame. Christopher Intagliata reports.

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Ant Colonies Avoid Traffic Jams Nov 07, 2019

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Researchers tracked thousands of individual ants to determine how they move in vast numbers without stumbling into gridlock.

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