Would You Rather Have Sex Or Live Forever?

Hydras, the tiny freshwater invertebrates that resemble tentacular palm trees, are often considered immortal. They fasten themselves to rocks with their sticky foot, stretch out their tube-shaped body, and unfurl the stinging tentacles that halo their mouth to catch prey that passes by, an activity they can do ad infinitum if given the right conditions. Although they can be felled by predators or