Fifty years ago this month, the U.S.S.R. launched Sputnik 1, the world's first Earth-orbiting artificial satellite. Shocked into action, the U.S. ramped up its space program—and its science education.
A visual atlas of solifuge jaws enables research on these poorly-understood arachnids.
Frogs, like humans, irrationally switch their preferences.
Phytoplankton blooms gain nutrients from glacial melting.