Not too sunny, not too shady, just right for Japanese macaques

As climate change alters the temperatures of animal habitats, it seems natural that endotherms, warm-blooded animals, would prefer to hang out in the shade during hot weather. The use of microhabitats in the sun and shade ...

Why jellyfish can't rise to the surface

Using box jellyfish as an example, researchers from Kiel University show how the physics of density, not behavior or physiology, can prevent animals from reaching the surface even as they actively swim upward.

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