Fish pee just like humans do to excrete metabolic wastes. Some species produce a concentrated, somewhat yellow-hued urine that is quickly dispersed in their aquatic world. Besides water, fish pee is ...

Little insects pee in droplets. But it turns out that cicadas pee in jets — and why and how they do it could help scientists better understand microfluidics and advance all kinds of technologies. This ...

This spring and summer, cicadas will crawl out of their underground burrows by the trillions to mate, filling the air with their supremely loud buzzing. But beyond their prodigious numbers and raucous ...