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Tools from China are Oldest Hint of Human Lineage Outside Africa

mercredi 11 juillet 2018 par Colin Barras, Nature magazine — The Sciences, Evolution

2.1-million-year-old stone tools suggest hominins reached East Asia much earlier than thought -- Read more on ScientificAmerican.com

Scientific American

Favorite Wine Grapes May Need Genetic Help

mercredi 11 juillet 2018 par Steve Mirsky — Sustainability, Environment, The Sciences, Arts & Culture, Biology, Evolution

Wine book author Kevin Begos explains that just a few varieties of wine grapes dominate the industry, which leaves them vulnerable to potentially catastrophic disease outbreaks. -- Read more on ScientificAmerican.com

Scientific American

Ancient Dog DNA Reveals Close Relationship with Contagious Cancer

lundi 9 juillet 2018 par Daniel Ackerman — The Sciences, Biology, Evolution

North America’s first domesticated dogs died out after European colonization, but they share a genetic link to a transmissible tumor spread globally -- Read more on ScientificAmerican.com

Scientific American

How Truffles Got Attention in a Land with No Mammals to Smell Them

dimanche 8 juillet 2018 par Jennifer Frazer — The Sciences, Evolution

Scientists turn to fossil poo in an effort to prove a long-standing hypothesis -- Read more on ScientificAmerican.com

Scientific American

Raptors of a Feather

samedi 7 juillet 2018 par Brian Switek — The Sciences, Evolution

Trackways from China throw further support to the idea that Velociraptor-like dinosaurs were sometimes social -- Read more on ScientificAmerican.com

Scientific American

Iridescence Could Help Critters Hide in Plain Sight

samedi 7 juillet 2018 par Karen Hopkin — The Sciences, Biology, Evolution

Iridescence appears to break up the recognizable shape of objects—making them harder to spot. Karen Hopkin reports. -- Read more on ScientificAmerican.com

Scientific American

Primate Conflicts Play Out in the Operating Room

jeudi 5 juillet 2018 par Christopher Intagliata — Mind, Behavior & Society, The Sciences, Evolution

By analyzing 200 surgeries, anthropologists found mixed-gender operating room teams exhibited the highest levels of cooperation. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

City Life Favors Downsized Invertebrates

mercredi 4 juillet 2018 par Jason G. Goldman — Sustainability, Climate, Conservation, Environment, The Sciences, Biology, Evolution

Most invertebrates get smaller on average in cities, although a few very mobile species respond to urbanization by growing. -- Read more on ScientificAmerican.com

Scientific American

The Real Paleo Diet

dimanche 1er juillet 2018 par Peter S. Ungar — Features, The Sciences, Evolution

Microscopic wear patterns on fossil teeth reveal what our ancestors ate—and provide insights into how climate change shaped human evolution -- Read more on ScientificAmerican.com

Scientific American