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How Humans' Ability to Digest Milk Evolved from Famine and Disease
jeudi 28 juillet 2022 par Ewen Callaway, Nature magazine — Evolution, Genetics, Social Sciences, Archaeology
A landmark study is the first major effort to quantify how lactose tolerance developed
New Evidence Emerges in Mystery of When Mammals Became Warm-Blooded
Fossil animals’ inner ear structures offer clues on when endothermy, or warm-bloodedness, evolved
Toxic Slime Contributed to Earth's Worst Mass Extinction--And It's Making a Comeback
mercredi 6 juillet 2022 par Chris Mays, Vivi Vajda, Stephen McLoughlin — Features, Biology, Evolution
Global warming fueled rampant overgrowth of microbes at the end of the Permian period. Such lethal blooms may be on the rise again
Feathers May Have Helped Dinosaurs Survive Their First Apocalypse
Geologic evidence for a freezing arctic suggests dinosaurs could have weathered an epoch-ending volcanic winter
Heated Debate Persists over the Origins of Complex Cells
Were mitochondria a driving evolutionary force or just a late addition?
Ancient Giraffe Relative Was Evolution's Headbutting Champion, Perhaps Besting Dinosaurs
Natural selection propels the giraffe family to absolute extremes—and it is not just about the absurdly long necks
Two-Headed Worms Tell Us Something Fascinating about Evolution
Researchers looked back at more than 100 years of research and found that a fascination with annelids with mixed up appendages was strong—and that research still has relevance today.
A Guide to the Different Omicron Subvariants
vendredi 6 mai 2022 par Louis Jacobson, Kaiser Health News — Biology, Evolution, Health, Epidemiology
How to tell the different versions of SARS-CoV-2 apart, and how well vaccines protect against them
Pterosaurs May Have Had Brightly Colored Feathers, Exquisite Fossil Reveals
An amazingly well-preserved fossil suggests the common ancestor of dinosaurs and pterosaurs also had some type of feather or feather precursor
Social Animals Seek Power in Surprisingly Complex Ways
It’s not just physical combat—animals have a host of strategies for building clout -- Read more on ScientificAmerican.com
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