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Mammals That Live Together Live Longer
Mammal species that live in groups seems to live longer than those that lead solitary lives
How Plants' Plumbing Let Them Conquer the World
To protect from deadly drought and make it on land, plants developed complicated inner plumbing
Why COVID's XBB.1.5 'Kraken' Variant Is So Contagious
A new variant of the virus that causes COVID has mutations that make it more transmissible, but vaccines are still likely to protect against severe disease
The Biggest Health and Biology Breakthroughs of 2022
From reviving dead pig organs to measuring viruses in our poop, here are some of the most intriguing medical advances of the year
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
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