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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

City Birds: Big-Brained with Few Offspring or Small-Brained with a Lot

mercredi 1er avril 2020 par Susanne Bard — Mind, Neuroscience, Environment, The Sciences, Biology, Evolution

To make it in urban areas, birds tend to be either large-brained and able to produce few offspring or small-brained and extremely fertile. In natural habitats, most birds brains are of average size. -- Read more on ScientificAmerican.com

Scientific American

City Birds: Big Brained with Few Offspring or Small-Brained with Lots

mercredi 1er avril 2020 par Susanne Bard — Mind, Neuroscience, Environment, The Sciences, Biology, Evolution

To make it in urban areas, birds tend to be either large-brained that produce few offspring or small-brained and extremely fertile. In natural habitats, most birds brains are of average size. -- Read more on ScientificAmerican.com

Scientific American

Cooped Up at Home? Help Scientists Spot Penguins from Space or Seek Out Galaxies

lundi 30 mars 2020 par Meghan Bartels, SPACE.com — The Sciences, Biology, Evolution, Physics, Space

Some citizen science projects can be done during quarantine -- Read more on ScientificAmerican.com

Scientific American

Tiny Wormlike Creature May Be Our Oldest Known Ancestor

lundi 30 mars 2020 par Susanne Bard — EARTH, The Sciences, Biology, Evolution

The bilateral organism crawled on the seafloor, taking in organic matter at one end and dumping the remains out the other some 555 million years ago. -- Read more on ScientificAmerican.com

Scientific American