Archives de 21 novembre 2008

Darwin Was Right About How Evolution Can Affect Whole Group

Darwin Was Right About How Evolution Can Affect Whole Group: Worker ants of the world, unite! You have nothing to lose but your fertility. The highly specialized worker castes in ants represent the pinnacle of social organization in the insect world. As in any society, however, ant colonies are filled with internal strife and conflict. So what binds them together? More than 150 years ago, Charles Darwin had an idea and now he’s been proven right.

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What if…

What if the Neanderthals turn out to be smarter than us—a distinct possibility? Wouldn’t they take over all the good jobs, like university professors? And what if they turn out to be stupider than the average human? Don’t we already have enough creationists?

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obamisation – engage

obamisation.jpg

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Temperature-dependent sex determination: current practices threaten conservation of sea turtles

Temperature-dependent sex determination: current practices threaten conservation of sea turtles

SJ Morreale, GJ Ruiz, Spotila JR, and EA Standora

Science, Vol 216, Issue 4551, 1245-1247 doi: 10.1126/science.7079758

 


Athena m’écrit pour me faire remarquer que dans le genre influence environnementale sur le développement d’un organisme rien de tel que la détermination du sex ! Les mâles viennent du frigo, les femelles de l’étuve.
Voir aussi le post d’Ashley.


 

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Single-Celled Giant Upends Early Evolution: Discovery News

Single-Celled Giant Upends Early Evolution: Discovery News:

"Nov. 20, 2008 — Slowly rolling across the ocean floor, a humble single-celled creature is [...]"

Huble? WTF?

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