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As Lionfish Invade the Caribbean and Gulf of Mexico, Conservationists Say Eat Up [Slide Show]

mercredi 11 décembre 2013 — Energy & Sustainability,Environment,Society & Policy,Everyday Science,Green Living,Evolution,Ecology,Biology,More Science

Conservationists wrestling with the problem of invasive lionfish have suggested that recreationally and commercially harvesting the predatory species for food could put a big dent in its numbers.... -- Read more on ScientificAmerican.com

Scientific American

Bee Researchers Make Friends with a Killer

mercredi 11 décembre 2013 — Evolution,Society & Policy,Everyday Science,Ecology,Energy & Sustainability,Environment,More Science

In the Mexican highlands, nestled between towering cliffs blanketed with verdant temperate jungle, is the tiny mountain town of Tepotzlan. Home to an ancient Aztec outpost high in the mountains and... -- Read more on ScientificAmerican.com

Scientific American

So Skinny, So Bright: How Colour Change Predicts the Odds of a Chameleon Battle

mercredi 11 décembre 2013 — Evolution,More Science

Veiled chameleon males battling. Credit: Russell Ligon When it comes to male-on-male chameleon battles, sometimes it’s not all about who’s the biggest or the strongest. Sometimes... -- Read more on ScientificAmerican.com

Scientific American

Are Genes Really Selfish? [Video]

mardi 10 décembre 2013 — Evolution,More Science

Biologist Richard Dawkins coined the phrase “the selfish gene” with his best-selling book of the same name. “Selfish”, however, was perhaps an unfortunate word choice because... -- Read more on ScientificAmerican.com

Scientific American

La santé du futur bébé influencée par ce que mange son père ?

mardi 10 décembre 2013 par Pierre Barthélémy — Biologie, Génétique, Acide folique, Alimentation, Epigénétique, Expression des gènes, Méthylation de l'ADN, Obésité, Spermatozoïdes, Vitamine B9

Lorsqu'un couple décide d'avoir un enfant, c'est à la future maman que l'on adresse les conseils de santé et de diététique : mange ci ou ça, c'est plein d'iode/de fer/de calcium, réduis ton exposition aux toxines, cesse de fumer, de … Continuer la lecture (...)

Passeur de sciences

Tourists Are Giving Endangered Iguanas Diarrhea and High Cholesterol

mardi 10 décembre 2013 — Energy & Sustainability,More Science,Evolution

Hop on over to the photo-sharing site Flickr and you’ll find dozens of photos and videos of people eagerly feeding grapes to hungry iguanas on the beaches of the Bahamas. It looks like... -- Read more on ScientificAmerican.com

Scientific American

Helen's Choice: Female Multiple Mating in the Natural World

mardi 10 décembre 2013 — Evolution,History of Science

"Helen of Troy" by Nathaniel Gold “Helen would never have yielded herself to a man from a foreign country, if she had known that the sons of Achaeans would come after her and bring her back.... -- Read more on ScientificAmerican.com

Scientific American

Strategies for Aging Vary Widely across 46 Species, with Some Scarcely Deteriorating

lundi 9 décembre 2013 — Evolution,Health,Mind & Brain,Evolutionary Biology,More Science,Biology,Everyday Science

Guppies and water fleas live only days or weeks, but their mortality increases sharply with age, as is the case in longer-lived animals such as humans. But other animals--such as the hermit crab, the... -- Read more on ScientificAmerican.com

Scientific American

Oh the Horror! Best of the Blogs for November...

lundi 9 décembre 2013 — Energy & Sustainability,Mind & Brain,Space,More Science,Evolution,Health,Technology

Photo by Alex Wild What a horrifying month at the Scientific American blog network! Tiger butchering, disgusting ways to die, and a massive killer storm! Let’s all hope for some kittens and... -- Read more on ScientificAmerican.com

Scientific American