How to weigh a dinosaur

How do you weigh a long-extinct dinosaur? There are a couple of ways, as it turns out, neither of which involve actual weighing—but according to a new study, different approaches still yield strikingly similar results.

Extinction and origination patterns change after mass extinctions

Scientists at Stanford University have discovered a surprising pattern in how life reemerges from cataclysm. Research published Oct. 6 in Proceedings of the Royal Society B shows the usual rules of body size evolution change ...

Why whale sharks need to swim near the surface

(Phys.org)—Whale sharks, the world's biggest fish, can dive to chilly waters hundreds of metres deep but they need to return to the surface to warm up, according to a new study led by researchers from The University of ...

Body temperatures of dinosaurs measured for the first time

(PhysOrg.com) -- Were dinosaurs slow and lumbering, or quick and agile? It depends largely on whether they were cold or warm blooded. When dinosaurs were first discovered in the mid-19th century, paleontologists thought they ...

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