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Sex with Other Human Species Might Have Been a Secret of Homo Sapiens' Success

samedi 22 octobre 2016 par Michael F. Hammer — Features, The Sciences, Biology, Evolution

DNA analyses find that early Homo sapiens mated with other human species and hint that such interbreeding played a key role in the triumph of our kind -- Read more on ScientificAmerican.com

Scientific American

Monkeys Can Make Stone Tools, Too

vendredi 21 octobre 2016 par Nature Video — The Sciences, Evolution

When these monkeys bang rocks together, they make stone flakes that resemble those archaeologists believe humans made two million to three million years ago. This video was reproduced with... -- Read more on ScientificAmerican.com

Scientific American

Monkeys can make stone tools too

vendredi 21 octobre 2016 par Nature Video — The Sciences, Evolution

Scientific American

Neandertal DNA Affects Modern Ethnic Difference in Immune Response

vendredi 21 octobre 2016 par Sara Reardon, Nature magazine — The Sciences, Biology, Evolution

Two studies may explain why people of African descent respond more strongly to infection, and are more prone to autoimmune diseases -- Read more on ScientificAmerican.com

Scientific American

Wild Monkeys' Stone "Tools" Force a Rethink of Human Uniqueness

vendredi 21 octobre 2016 par Kate Wong — The Sciences, Arts & Culture, Evolution

The artifacts bear a striking resemblance to objects produced by our ancestors -- Read more on ScientificAmerican.com

Scientific American

When the Sea Saved Humanity

mercredi 19 octobre 2016 par Curtis W. Marean — Features, Environment, The Sciences, Evolution

Shortly after Homo sapiens arose, harsh climate conditions nearly extinguished our species. The small population that gave rise to all humans alive today may have survived by exploiting a unique... -- Read more on ScientificAmerican.com

Scientific American

Tales of a Stone Age Neuroscientist

dimanche 16 octobre 2016 par Dietrich Stout — Features, Neuroscience, The Sciences, Evolution

By honing ax-making skills while scanning their own brains, researchers are studying how cognition evolved -- Read more on ScientificAmerican.com

Scientific American

Fish out of Water Are Actually Pretty Common [Video]

samedi 15 octobre 2016 par Jennifer Frazer — The Sciences, Biology, Evolution

Terrestrial behavior has evolved in at least 33 families of living fish -- Read more on ScientificAmerican.com

Scientific American

Humans Are Still Evolving

samedi 15 octobre 2016 par John Hawks — Features, The Sciences, Evolution

For 30,000 years our species has been changing remarkably quickly. And we're not done yet -- Read more on ScientificAmerican.com

Scientific American

Polar Bears Can't Just Switch to Terrestrial Food

samedi 15 octobre 2016 par Jason G. Goldman — Sustainability, Conservation, Environment, The Sciences, Biology, Evolution, Policy & Ethics

With a shorter season of sea ice, polar bears have less access to marine mammals. But switching to a terrestrial diet deprives them of the fatty seal meals they need to thrive. -- Read more on ScientificAmerican.com

Scientific American