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Cats May Have Duped Us about Being Great Rat Catchers

jeudi 27 septembre 2018 par Angus Chen — The Sciences, Evolution

Breweries, warehouses and waste facilities sometimes turn to cats for rat control—but do they really help? -- Read more on ScientificAmerican.com

Scientific American

Say Hello to Dickinsonia, the Animal Kingdom's Newest (and Oldest) Member

jeudi 20 septembre 2018 par Shannon Hall — The Sciences, Evolution

Half-billion-year-old fossils reveal new details about one of the most mysterious chapters in Earth’s history -- Read more on ScientificAmerican.com

Scientific American

Sea Otters' Powerful Paw Prey Perception

mercredi 19 septembre 2018 par Christopher Intagliata — The Sciences, Biology, Evolution

The marine mammals have extraordinarily sensitive touch—which helps them nab prey in the absence of other sensory cues. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Our Truest Companions

mardi 18 septembre 2018 par Andrea Gawrylewski — From the Editor, The Sciences, Biology, Evolution

73,000-Year-Old Hashtag Is Oldest Example of Abstract Art

dimanche 16 septembre 2018 par Krystal D'Costa — The Sciences, Evolution

A silica flake from Blombos Cave contains the oldest example of prehistoric abstract art, and it looks like one of the most used symbols online -- Read more on ScientificAmerican.com

Scientific American

Genetic Tweak Gave Early Humans Leg Up

jeudi 13 septembre 2018 par Christopher Intagliata — The Sciences, Biology, Evolution

A mutation in a key gene may have endowed humans with superior endurance—allowing them to compete better with other animals on the savanna. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American