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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
'Snot Palaces' Reveal Undersea Creature Secrets
vendredi 12 juin 2020 par Christopher Intagliata — Tech, Engineering, The Sciences, Biology, Evolution
Scientists are studying the delicate mucus houses built by creatures called larvaceans to better understand how they live. Christopher Intagliata reports. -- Read more on ScientificAmerican.com
Fossil Footprints Help Uncover the Mysteries of Bipedal Crocodiles Â
Ancient tracks reveal a previously unknown creature from the Age of Dinosaurs—answering one question but raising more -- Read more on ScientificAmerican.com
Bioluminescence Helps Prey Avoid Hungry Seals
mercredi 3 juin 2020 par Jason G. Goldman — Environment, The Sciences, Biology, Chemistry, Evolution
Prey animals flash biochemically produced light to confuse elephant seals hunting in the dark. But at least one seal turned the tables. -- Read more on ScientificAmerican.com
Ancient DNA Yields New Clues to Dead Sea Scrolls
mardi 2 juin 2020 par Josie Glausiusz — The Sciences, Evolution
A sensitive genetic fingerprinting technique could help scholars learn more from thousands of fragile parchment fragments -- Read more on ScientificAmerican.com
Rethinking Easter Island's Historic 'Collapse'
samedi 30 mai 2020 par Tom Garlinghouse, Sapiens — The Sciences, Evolution
Controversial new archaeological research casts doubt on a classic theory of this famous island's societal collapse -- Read more on ScientificAmerican.com
Earliest 'Chickens' Were Actually Pheasants
A new analysis ruffles the story of poultry domestication -- Read more on ScientificAmerican.com
Colorful Corals Beat Bleaching
jeudi 28 mai 2020 par Christopher Intagliata — Sustainability, Climate, Conservation, The Sciences, Biology, Evolution
Exposed to mildly warmer waters, some corals turn neon instead of bleaching white. The dramatic colors may help coax symbiotic algae back. Christopher Intagliata reports. -- Read more on ScientificAmerican.com
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