SVT monde
Sur le Web

Scientific American

Science news and technology updates from Scientific American

Articles les plus récents

Feathers May Have Helped Dinosaurs Survive Their First Apocalypse

vendredi 1er juillet 2022 par Sasha Warren — Biology, Dinosaurs, Evolution, Paleontology
Geologic evidence for a freezing arctic suggests dinosaurs could have weathered an epoch-ending volcanic winter -- Read more on ScientificAmerican.com

Heated Debate Persists over the Origins of Complex Cells

lundi 13 juin 2022 par Viviane Callier, Knowable Magazine — Biology, Evolution
Were mitochondria a driving evolutionary force or just a late addition? -- Read more on ScientificAmerican.com

Ancient Giraffe Relative Was Evolution's Headbutting Champion, Perhaps Besting Dinosaurs

jeudi 2 juin 2022 par Rachel Nuwer — Biology, Evolution
Natural selection propels the giraffe family to absolute extremes—and it is not just about the absurdly long necks -- Read more on ScientificAmerican.com

Two-Headed Worms Tell Us Something Fascinating about Evolution

mardi 10 mai 2022 par Ashleigh Papp — Biology, Animals, 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... -- Read more on ScientificAmerican.com

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 -- Read more on ScientificAmerican.com

Pterosaurs May Have Had Brightly Colored Feathers, Exquisite Fossil Reveals

mercredi 20 avril 2022 par Riley Black — Biology, Evolution, Paleontology
An amazingly well-preserved fossil suggests the common ancestor of dinosaurs and pterosaurs also had some type of feather or feather precursor -- Read more on ScientificAmerican.com

Social Animals Seek Power in Surprisingly Complex Ways

vendredi 15 avril 2022 par Lee Alan Dugatkin — Biology, Animals, Evolution
It’s not just physical combat—animals have a host of strategies for building clout -- Read more on ScientificAmerican.com

Lost Genes Explain Vampire Bats' Diet of Blood

vendredi 25 mars 2022 par Jack Tamisiea — Biology, Animals, Evolution
To survive on nutrient-poor blood, less can sometimes be more -- Read more on ScientificAmerican.com

Urban Evolution: How Species Adapt to Survive in Cities

vendredi 25 mars 2022 par Eric Bender, Knowable Magazine — Biology, Evolution
Evolution in cities illuminates long-standing scientific questions and climate change futures -- Read more on ScientificAmerican.com

Snakes' and Lizards' Slow and Steady Evolution Won the Race

mercredi 23 mars 2022 par Riley Black — Advances, Biology, Evolution
A related lineage’s explosive growth leaves just one descendant today -- Read more on ScientificAmerican.com

Accueil du site | Contact | Plan du site | Espace privé | Statistiques | visites : 5929509

Suivre la vie du site fr    ?

Site réalisé avec SPIP 1.9.2e + ALTERNATIVES

Creative Commons License