News tagged with cretaceous period

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Dinosaurs out in the cold

A major drop in temperature 137 million years ago briefly interrupted the warm, equable climate of the Cretaceous Period. The water temperature in the Arctic Ocean fell from around 13 C to between 4 and 7 ...

Sep 14, 2010 4.5 / 5 (4) 2

Extinction runs in the family

(PhysOrg.com) -- Global calamities like the one that doomed most dinosaurs forever alter the varieties of life found on Earth, but new research shows that it doesn't take a catastrophe to end entire lineages. ...

Aug 06, 2009 4.7 / 5 (11) 3

Darwin's mystery explained

The appearance of many species of flowering plants on Earth, and especially their relatively rapid dissemination during the Cretaceous (approximately 100 million years ago) can be attributed to their capacity to transform ...

Jul 14, 2009 4 / 5 (9) 15