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Birds on Rhinos' Back Help Them Avoid Poachers

mercredi 22 avril 2020 par Susanne Bard — Cognition, Sustainability, Conservation, Environment, The Sciences, Evolution

Oxpeckers riding on rhinoceroses feast on ticks, and their calls warn the nearsighted herbivores about approaching humans. -- Read more on ScientificAmerican.com

Scientific American

Possible Dinosaur DNA Has Been Found

vendredi 17 avril 2020 par Riley Black — The Sciences, Evolution

New discoveries have raised the possibility of exploring dino genetics, but controversy surrounds the results -- Read more on ScientificAmerican.com

Scientific American

Signs of Modern Human Cognition Were Found in an Indonesian Cave

vendredi 17 avril 2020 par Robert Martone — Mind, Cognition, The Sciences, Arts & Culture, Evolution

Painted images of intriguing human-animal hybrids are signs of modern thought -- Read more on ScientificAmerican.com

Scientific American

Melting Ice Reveals a "Lost" Viking-Era Pass in Norway's Mountains

jeudi 16 avril 2020 par Tom Metcalfe — The Sciences, Evolution

Artifacts show people used the route for 1,000 years—then abandoned it, possibly amid a plague -- Read more on ScientificAmerican.com

Scientific American

Livestock, Pets and People Will Dominate Future Fossils

lundi 13 avril 2020 par Rachel Nuwer — Advances, The Sciences, Evolution

The bones of humans and their domesticated animals will overwhelm biodiversity in the fossil record -- Read more on ScientificAmerican.com

Scientific American

What's a Narwhal's Tusk For?

jeudi 9 avril 2020 par Jason G. Goldman — Sustainability, Environment, The Sciences, Biology, Evolution

Although the tusk can be a weapon, the variation in tusk length among animals of similar body size points to it being primarily a mating status signal. -- Read more on ScientificAmerican.com

Scientific American

Stone Age String Strengthens Case for Neandertal Smarts

jeudi 9 avril 2020 par Kate Wong — The Sciences, Evolution

Our extinct cousins had fiber technology. Stop calling them dumb already -- Read more on ScientificAmerican.com

Scientific American

Why We Have So Many Problems with Our Teeth

mercredi 8 avril 2020 par Peter S. Ungar — Features, The Body, The Sciences, Evolution

Our choppers are crowded, crooked and riddled with cavities. It hasn’t always been this way -- Read more on ScientificAmerican.com

Scientific American

Self-Terminating Biospheres

samedi 4 avril 2020 par Caleb A. Scharf — The Sciences, Evolution

Is life’s persistence on Earth really the norm? -- Read more on ScientificAmerican.com

Scientific American

Bird Fossil Shared Earth with T. rex

jeudi 2 avril 2020 par Adam Levy — EARTH, The Sciences, Evolution

Dating back 67 million years, this representative of the group of modern birds has been dubbed the Wonderchicken (which is not an April Fools’ Day joke). -- Read more on ScientificAmerican.com

Scientific American