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Long-Term Sperm: Shark Gives Birth 4 Years after Contact with Male
The brownbanded bamboo shark’s belated delivery almost doubles the previous record for sperm storage -- Read more on ScientificAmerican.com
Remarkable Fossils Push Back Snake Origins by 65 Million Years
mardi 27 janvier 2015 — Evolution, Evolutionary Biology
The four oldest-known snake fossils were announced Tuesday, the most ancient of which was a roughly 25-cm-long reptile unearthed in a quarry near Oxford, England, that lived about 167 million years... -- Read more on ScientificAmerican.com
High-Altitude Forests in the Himalayas Harder Hit by Droughts
Why are plateau and mountain timberlines in Asia shifting downslope, despite global warming? -- Read more on ScientificAmerican.com
Virtual Dissection Method Could Reinvigorate Zoology
lundi 26 janvier 2015 — More Science, Biology, Energy & Sustainability, Environment, Ecology, Evolution, Evolutionary Biology, Technology, Computing
Last summer, researchers demonstrated that non-invasive imaging combined with a staining technique enables the fast comparison and study of earthworm species and other animals in unprecedented detail. -- Read more on ScientificAmerican.com
Snail's Venom Puts Fish in Insulin Coma
The cone snail's venom contains not only neurotoxins, but insulin, too—which stuns the fish it preys on. Christopher Intagliata reports -- Read more on ScientificAmerican.com
Pitcher Plant Captures Prey in Batches
A design flaw in the carnivorous plant could be its greatest asset -- Read more on ScientificAmerican.com
Were Cellular Powerhouses Once Parasites?
Mitochondria may have started out stealing energy rather than producing it -- Read more on ScientificAmerican.com
Duck-Billed Dinos Gave T. rex a Run for Its Money
Hadrosaurs could outrun tyrannosaurusesbecause of the layout of the herbivores’ tail muscles -- Read more on ScientificAmerican.com
The Neandertal Mystique
vendredi 23 janvier 2015 — Web Exclusives, More Science, Evolution, Evolutionary Biology, Mind & Brain, Thought & Cognition
Our heavy-browed cousin remains the most fascinating member of the human family -- Read more on ScientificAmerican.com
New Life Made with Custom Safeguards
vendredi 23 janvier 2015 — More Science, Biology, Chemistry, History of Science, Society & Policy, Energy & Sustainability, Environment, Ecology, Evolution, Health, Biotechnology, Technology
A bacterium famous for food poisoning has its genetics altered to produce fuel or pharmaceuticals—and to keep it from escaping the lab -- Read more on ScientificAmerican.com
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