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Is Death Reversible?

mardi 8 octobre 2019 par Christof Koch — Features, Mind, Neuroscience, The Sciences, Biology, Evolution

An experiment that partially revived slaughterhouse pig brains raises questions about the precise end point of life -- Read more on ScientificAmerican.com

Scientific American

How Cells Sense Oxygen Levels: Nobel Prize in Physiology or Medicine

mardi 8 octobre 2019 par Steve Mirsky — Health, Medicine, The Body, Wellness, The Sciences, Biology, Chemistry, Evolution

William Kaelin, Jr., Peter Ratcliffe and Gregg Semenza share the 2019 Nobel Prize in Physiology or Medicine “for their discoveries of how cells sense and adapt to oxygen availability.”... -- Read more on ScientificAmerican.com

Scientific American

Nobel in Physiology or Medicine for How Cells Sense Oxygen Levels

lundi 7 octobre 2019 par Steve Mirsky — Health, Medicine, The Body, The Sciences, Biology, Chemistry, Evolution

The 2019 Nobel Prize in Physiology or Medicine goes to William G. Kaelin, Jr., Peter J. Ratcliffe and Gregg L. Semenza “for their discoveries of how cells sense and adapt to oxygen... -- Read more on ScientificAmerican.com

Scientific American

How Did Water Get on Earth?

dimanche 6 octobre 2019 par Everyday Einstein Sabrina Stierwalt — EARTH, The Sciences, Evolution, Space

About 70 percent of our planet’s surface is covered with water, and it plays an important role in our daily lives. But how did water get on Earth in the first place? -- Read more on ScientificAmerican.com

Scientific American

Tiny Worms Are Equipped to Battle Extreme Environments

samedi 5 octobre 2019 par Christopher Intagliata — The Sciences, Biology, Evolution

Scientists found eight species of nematodes living in California’s harsh Mono Lake—quintupling the number of animals known to live there. Christopher Intagliata reports. -- Read more on ScientificAmerican.com

Scientific American

"Biggest Shark of All Time" Gets Downsized

samedi 5 octobre 2019 par Riley Black — The Sciences, Evolution

Real megalodons weren’t nearly as enormous as their silver-screen counterparts -- Read more on ScientificAmerican.com

Scientific American

How Monarch Butterflies Evolved to Eat a Poisonous Plant

mercredi 2 octobre 2019 par Tim Vernimmen, Knowable Magazine — The Sciences, Biology, Chemistry, Evolution

By engineering mutations into fruit flies, scientists reconstructed how the bright orange butterflies came to tolerate milkweed toxins -- Read more on ScientificAmerican.com

Scientific American

Can Rabbits Help Unravel the Mystery of Female Orgasm?

lundi 30 septembre 2019 par Tanya Lewis — News, Health, The Body, The Sciences, Evolution

A study suggests the phenomenon may have evolved from a mechanism for triggering ovulation -- Read more on ScientificAmerican.com

Scientific American

My Regrets about Controversial Anthropologist Napoleon Chagnon (RIP)

dimanche 29 septembre 2019 par John Horgan — The Sciences, Evolution

Chagnon’s views of the “fierce” Yanomamö and of the roots of war were more subtle than his critics or admirers suggested -- Read more on ScientificAmerican.com

Scientific American