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Sign Languages Display Distinct Ancestries

vendredi 31 janvier 2020 par Susanne Bard — Cognition, The Sciences, Arts & Culture, Evolution

Well more than 100 distinct sign languages exist worldwide, with each having features that made it possible for researchers to create an evolutionary tree of their lineages. -- Read more on ScientificAmerican.com

Scientific American

How to Make a Mass Extinction

jeudi 30 janvier 2020 par Steve Mirsky — Sustainability, Climate, EARTH, Environment, Natural Disasters, The Sciences, Biology, Chemistry, Evolution, Physics, Policy & Ethics

Journalist and author Peter Brannen talks about his book The Ends of the World: Volcanic Apocalypses, Lethal Oceans, and Our Quest to Understand Earth’s Past Mass Extinctions. -- Read more on ScientificAmerican.com

Scientific American

Thousands of Ancient Aboriginal Sites Probably Damaged in Australian Fires

lundi 27 janvier 2020 par John Pickrell, Nature magazine — Sustainability, Natural Disasters, The Sciences, Evolution

The sites are rich in cultural history, but the blazes might also reveal some unknown ones, say archaeologists -- Read more on ScientificAmerican.com

Scientific American

Some Wolf Pups Show Innate Fetching Talent

dimanche 26 janvier 2020 par Karen Hopkin — Behavior & Society, Cognition, The Sciences, Evolution

Some wolf pups will play fetch with a stranger, suggesting that an ability to playfully interact with people could have come before, and played a role in, dog domestication. -- Read more on ScientificAmerican.com

Scientific American

Curiosity Killed the ... Mouse?

vendredi 24 janvier 2020 par Karen Hopkin — The Sciences, Biology, Evolution

The cat parasite Toxoplasma gondii boosts curiosity in mice—which makes them more likely to be caught by cats, thus continuing the parasite’s life cycle. Karen Hopkin reports. -- Read more on ScientificAmerican.com

Scientific American

Pop Culture's Rate of Change May Mirror Organic Evolution

mercredi 22 janvier 2020 par David Noonan — The Sciences, Arts & Culture, Evolution

A new study finds that music and some other human phenomena have altered at a pace comparable to that of animals such as Darwin’s finches -- Read more on ScientificAmerican.com

Scientific American

Paleontologists Dig Into a Giant Sloth Boneyard

dimanche 19 janvier 2020 par Riley Black — The Sciences, Evolution

Ancient drought and unfortunate bathroom habits may have doomed some ice age sloths -- Read more on ScientificAmerican.com

Scientific American

Paleontologists Dig Into a Giant Sloth Boneyard

dimanche 19 janvier 2020 par Riley Black — The Sciences, Evolution

Ancient drought and unfortunate bathroom habits may have doomed some ice age sloths -- Read more on ScientificAmerican.com

Scientific American

This Fish Knows How to Stick Around

vendredi 17 janvier 2020 par Christopher Intagliata — The Sciences, Biology, Evolution

The remora clings to other fish—and appears to use an unusual sense of touch to do so. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

Bacteria Helped Plants Evolve to Live on Land

mardi 14 janvier 2020 par Annie Sneed — The Sciences, Biology, Evolution

Soil bacteria may have taken residence in early algal species, gifting the algae with the ability to withstand drier conditions on land. Annie Sneed reports. -- Read more on ScientificAmerican.com

Scientific American