Tanks of the triassic: New crocodile ancestor identified

Dinosaurs get all the glory. But aetosaurs, a heavily armored cousin of modern crocodiles, ruled the world before dinosaurs did. These tanks of the Triassic came in a variety of shapes and sizes before going extinct around ...

Unexpected outcomes: Digital nudges in online teamwork

The dramatic expansion of Internet communication tools has led to increases in temporary online groups that solve problems, provide services, or produce new knowledge. But many of these groups struggle to collaborate effectively.

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