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Duck-Billed Dinosaur Had Bizarre Rooster's Comb, Mummy Find Reveals

jeudi 12 décembre 2013 — Evolution
Artist's reconstruction of duck-billed dinosaur Edmontosaurus regalis with a cocks comb. Image: Artwork by Julius Csotonyi. Copyright Bell, Fanti, Currie, Arbour. Current Biology 2013. Thanks... -- Read more on

Monitor Lizards Found to Breathe Unidirectionally Like Birds

A lizard captures oxygen from air both when inhaling and exhaling--a feat normally associated with birds. Many scientists believe birds developed the adaptation to cope with the enormous requirements... -- Read more on

Lawsuit to Remove Plant from Endangered Species List Completely Backfires

Oh what a difference a few years makes. Just four years ago, the rare California shrub known as the Indian Knob mountain balm ( Eriodictyon altissimum ) was poised to drop off the endangered species... -- Read more on

Banana Fungus Creeps Closer to World's Key Plantations

A variant of a fungus that rots and kills the main variety of export banana has been found in plantations in Mozambique and Jordan, raising fears that it could spread to major producers and decimate... -- Read more on

Owl Silent Swoop Depends On Down

Owls are nearly noiseless hunters, swooping down on prey without any warning whoosh. How do they do it? [More] -- Read more on

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

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

Bee Researchers Make Friends with a Killer

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

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

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

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

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 (...)

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