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September 13, 2017
Researchers are learning more about the evolution of echinoderms, the group that includes sand dollars, sea urchins, and starfish, thanks to new evidence of the tentacle-like...
September 12, 2017
The dramatic, dinosaur-to-bird transition that occurred in reptiles millions of years ago was accompanied by profound changes in the skull roof of those animals — and holds...
September 7, 2017
A new study argues that the “swimmers” of the natural world — from ships at sea to microorganisms floating through the bloodstream to ubiquitous quantum particles — exert a...
September 7, 2017
The Palaeocene–Eocene Thermal Maximum1, 2 (PETM) was a global warming event that occurred about 56 million years ago, and is commonly thought to have been driven primarily by...