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Ancient Sawfish Help to Illuminate Our Teeth's Scaly Origins
Weird new evidence on tooth evolution tips the scales even more toward scales
Chances of Finding COVID-Causing Virus Ancestor 'Almost Nil,' Virologists Say
vendredi 11 novembre 2022 par Smriti Mallapaty, Nature magazine — Biology, Evolution, Genetics, Health
A genome analysis finds SARS-CoV-2 and bat coronaviruses shared an ancestor just a few years ago, but extensive recombination has muddied the picture
Geologic Activity Lets Microbes Mingle Deep Underground
Tiny subterranean cracks can upend aquifer microbes’ ecology
Fossils Upend Conventional Wisdom about Evolution of Human Bipedalism
For most of human evolution, multiple species with different ways of walking upright coexisted
Vertebrates May Have Used Vocal Communication More Than 100 Million Years Earlier Than We Thought
Animals with a backbone may have first emitted something akin to bleeps, grunts, crackles, toots and snorts more than 400 million years ago
Penis Worm's Ancient Cousin Fossilized with Its Doughnut-Shaped Brain Intact
The fossilized embryo of a Cambrian worm holds the preserved remains of a tiny brain
Discoveries about Ancient Human Evolution Win 2022 Nobel Prize in Physiology or Medicine
Svante Pääbo’s work on sequencing the DNA of Neandertals and Denisovans, which won the 2022 Nobel Prize in Physiology or Medicine, revealed surprising interbreeding among human species
The Oldest 3-D Heart from Our Vertebrate Ancestors Has Been Discovered
Fish fossils from Western Australia preserve the oldest 3-D hearts, livers, stomachs and intestines in a jawed vertebrate
If T. Rex's Beady-Eyed Glare Terrifies You, It Should
Top-predator dinosaurs of the Cretaceous may have traded big eyes for a bigger bite
In a First, Tiny Crustaceans Are Found to 'Pollinate' Seaweed like Bees of the Sea
Small marine critters ferry around seaweed sex cells, the first recorded example of “pollination” in algae
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