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Articles les plus récents

Ticks on Uptick Where Big Game Declines

jeudi 1er février 2018 par Jason G. Goldman — Health, Public Health, The Sciences, Biology, Evolution
Areas of Kenya without large wildlife saw tick populations rise as much as 370 percent—meaning more danger to humans. Jason G. Goldman reports. -- Read more on ScientificAmerican.com

Stone Tools from India Fan Debate over Origins of Cultural Complexity

mercredi 31 janvier 2018 par Kate Wong — Tech, The Sciences, Evolution
The tools could suggest that Homo sapiens reached South Asia far earlier than previously thought, but critics disagree -- Read more on ScientificAmerican.com

Controversial Fossil Hints Homo sapiens Blazed a Trail Out of Africa Earlier Than Thought

vendredi 26 janvier 2018 par Kate Wong — The Sciences, Evolution
The jaw fragment suggests our species began traveling abroad 50,000 years earlier than previously thought -- Read more on ScientificAmerican.com

How Brittlestars "See" without Eyes

mercredi 24 janvier 2018 par Giorgia Guglielmi, Nature magazine — The Sciences, Biology, Evolution
The starfish relatives use light-sensitive cells throughout their bodies to sense their surroundings -- Read more on ScientificAmerican.com

Cocktail of Brain Chemicals May Be a Key to What Makes Us Human

mercredi 24 janvier 2018 par Bret Stetka — Mind, Neuroscience, Biology, Evolution
A study that compares us with other primates finds a brain region linked to social behavior that may offer a biological explanation for why humans, not chimps, produced Shakespeare, Gandhi and... -- Read more on ScientificAmerican.com

Canada Geese Taking a Winter Staycation

lundi 22 janvier 2018 par Emily Schwing — Sustainability, Conservation, The Sciences, Biology, Evolution
The geese are wintering farther and farther north, in urban areas like Chicago—which may help them avoid hunters. Emily Schwing reports. -- Read more on ScientificAmerican.com

The Medusaceratops Mystery

samedi 20 janvier 2018 par Brian Switek — The Sciences, Evolution
Old bones raise new questions about an enigmatic horned dinosaur -- Read more on ScientificAmerican.com

How to Stop Sex Changes in Turtles on the Great Barrier Reef

mercredi 17 janvier 2018 par Ana Rita Patricio, The Conversation US — Sustainability, Climate, Conservation, The Sciences, Biology, Evolution
Climate change led to more female eggs, so scientists are trying to ensure males are made in the shade -- Read more on ScientificAmerican.com

Paleo Profile: The Bryant's Shark

dimanche 14 janvier 2018 par Brian Switek — The Sciences, Evolution
Distinctive teeth mark the discovery of a new prehistoric shark species -- Read more on ScientificAmerican.com

Which Came First, the Proboscis or the Flower?

samedi 13 janvier 2018 par Christopher Intagliata — The Sciences, Biology, Evolution
A new fossil find reveals that the sucking tongue of butterflies—or proboscis—appears to have evolved before the emergence of flowers. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

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