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What Makes the Human Brain Special

mercredi 22 août 2018 par Chet C. Sherwood, Mesa Schumacher — Features, The Sciences, Evolution

Parts of the brain involved in language and cognition have enlarged greatly over an evolutionary timescale -- Read more on ScientificAmerican.com

Scientific American

As Spring Arrives Earlier, Arctic Geese Speed Up Their Migration

mercredi 22 août 2018 par Annie Sneed — Sustainability, Climate, Conservation, The Sciences, Biology, Evolution

The birds are arriving in the Arctic up to 13 days earlier than they used to. But at a cost: hunger. Annie Sneed reports. -- Read more on ScientificAmerican.com

Scientific American

The Ancient Roots of the Internal Combustion Engine

mardi 21 août 2018 par Lewis Dartnell, JosÃ© Miguel Mayo, Matthew Twombly — Features, The Sciences, Chemistry, Evolution, Physics

Taking apart the internal combustion engine reveals our collective genius -- Read more on ScientificAmerican.com

Scientific American

For Some Crows, Migration Is Optional

jeudi 16 août 2018 par Christopher Intagliata — The Sciences, Biology, Evolution

Crows are what's known as "partial migrants"—as cold weather approaches, some crows fly south whereas others stay put. And that behavior appears to be ingrained. Christopher... -- Read more on ScientificAmerican.com

Scientific American

What Made Us Unique

mercredi 15 août 2018 par Kevin Laland — Features, The Sciences, Evolution

How we became a different kind of animal -- Read more on ScientificAmerican.com

Scientific American

A Very Human Story: Why Our Species Is Special

mercredi 15 août 2018 par Mariette DiChristina — From the Editor, The Sciences, Evolution

Meteorites May Have Created Some of Earth's Oldest Rocks

mardi 14 août 2018 par Meghan Bartels, SPACE.com — EARTH, The Sciences, Evolution, Space

A barrage of impacts more than four billion years ago is linked to ancient stones found in Canada -- Read more on ScientificAmerican.com

Scientific American

Crickets Carve Tools to Amplify Their Chirps

mardi 14 août 2018 par Jason G. Goldman — The Sciences, Biology, Evolution

The insects fashion and use "baffles"—sound controllers—made of leaves to produce sound more efficiently. Jason G. Goldman reports. -- Read more on ScientificAmerican.com

Scientific American

Teachers Help One Another Bring Evolution Back to the Classroom

lundi 13 août 2018 par Adam Piore — Features, The Sciences, Evolution, Policy & Ethics

Research shows that 60 percent of American teachers avoid or skimp on teaching evolution. A growing movement is trying to change that -- Read more on ScientificAmerican.com

Scientific American