Dinosaurs' unique bone structure key to carrying weight

Weighing up to 8,000 pounds, hadrosaurs, or duck-billed dinosaurs were among the largest dinosaurs to roam the Earth. How did the skeletons of these four-legged, plant-eating dinosaurs with very long necks support such a ...

How plants tell time

Findings of a new study solve a key mystery about the chemistry of how plants tell time so they can flower and metabolize nutrients.

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