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How Oak Trees Evolved to Rule the Forests of the Northern Hemisphere
mardi 14 juillet 2020 par Andrew L. Hipp, Paul S. Manos, Jeannine Cavender-Bares — Features, The Sciences, Evolution
Genomes and fossils reveal their remarkable evolutionary history -- Read more on ScientificAmerican.com
Polynesians and Native South Americans Made 12th-Century Contact
vendredi 10 juillet 2020 par Christopher Intagliata — The Sciences, Evolution
Scientists have found snippets of Native South American DNA in the genomes of present-day Polynesians, and they trace the contact to the year 1150. Christopher Intagliata reports. -- Read more on ScientificAmerican.com
Bat Says Hi as It Hunts
Velvety free-tailed bats produce sounds that help them locate insect prey but simultaneously identify them to their companions. -- Read more on ScientificAmerican.com
The Meaning of Time in the Place where Humanity's Earliest Ancestors Arose
samedi 27 juin 2020 par Eliot Bush — The Sciences, Evolution
In Kenya’s Lake Turkana region, fossils of long-ago primates endure amid a transforming landscape -- Read more on ScientificAmerican.com
The Messenger Is the Message
vendredi 26 juin 2020 par Steve Mirsky — Mind, Behavior & Society, Cognition, The Sciences, Evolution, Policy & Ethics
Behavioral scientist Stephen Martin and psychologist Joseph Marks talk about their book Messengers: Who We Listen To, Who We Don’t, and Why. -- Read more on ScientificAmerican.com
Science Briefs from around the World
jeudi 25 juin 2020 par Sarah Lewin Frasier — Sustainability, Conservation, EARTH, Environment, The Sciences, Biology, Chemistry, Evolution
Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollusk fossil that reveals years back then had a few more days than we... -- Read more on ScientificAmerican.com
The First Organism on Earth May Have Been a Genetic Hybrid
A new experiment suggests DNA and RNA may have formed together before the origin of life -- Read more on ScientificAmerican.com
The First Gene on Earth May Have Been a Hybrid
A new experiment suggests DNA and RNA may have formed together before the origin of life -- Read more on ScientificAmerican.com
How a 380-Million-Year-Old Fish Gave Us Fingers
A remarkable fossil reveals that the digits in our hands evolved before vertebrates emerged from the water to colonize land -- Read more on ScientificAmerican.com
Human Speech Evolution Gets Lip-Smacking Evidence
mercredi 17 juin 2020 par Mark Stratton — The Body, Behavior & Society, The Sciences, Biology, Evolution
A study of our closest evolutionary relatives finds that the chimp behavior known as lip smacking occurs in the same timing range as human mouths during speech. -- Read more on ScientificAmerican.com
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