La présence de continents est une des caractéristiques uniques de la Terre. Contrairement à de nombreuses théories, les continents ont toujours été riches en silice (que l’on retrouve par exemple dans ...
Les continents que nous connaissons ne sont pas des entités stables. Selon une étude publiée dans Nature Geoscience, leur base subit une érosion continue par les mouvements du manteau terrestre. Des ...
The paleo-tectonic maps of retired geologist Ronald Blakey are mesmerizing and impossible to forget once you've seen them. Catalogued on his website, Colorado Plateau Geosystems, these maps show the ...
The Earth’s continents drift at a speed of a few centimeters per year. Things get complicated when two landmasses collide, causing the crust to roll up, stretch, bend, and tear. The collisions add new ...
New research shows fast-warming climate appears to be triggering genetic changes in a species of fruit fly that is native to Europe and was introduced into North and South America about 25 years ago.
A superb fairy-wren calls to a Horsfield's bronze-cuckoo. Brood parasites like cuckoos lay eggs in other birds' nests and leave them behind for the host birds to raise. David Ongley / Cornell Lab of ...
Ces dinosaures ont-il réussi à survivre après l'impact de la météorite qui a anéanti ceux de l'hémisphère nord il y a 66 millions d'années ? Enquête... Les T-Rex, les Diplodocus ou les Vélociraptors ...
Researchers have used high resolution genome sequencing to track a particularly virulent strain of MRSA as it traveled between South America, Europe and Southeast Asia. The findings shed light on how ...
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