In ancient Greek myth, the Hydra was a multi-headed monster that grew two more heads for every one that it lost. As it turns out, the real-life animal named after this mythical beast may be even more ...

A new paper in Genome Biology and Evolution, published by Oxford University Press, maps out for the first time how Hydra, which are a group of small aquatic animals, can regenerate their own heads by ...

CLAREMONT >> They’re tiny, up to a centimeter long at most. They’re relatively primitive animals with few organs comparable to those of humans. And under ideal conditions, the tiny creatures known as ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For a group of small aquatic animals known as hydra, decapitation ...

Though we might not think much of the small pond Hydra, it’s got an incredible secret superpower. It spends much of its day extending its small tentacles and waiting for food to pass, but when the ...

Hydra is a genus of tiny freshwater animals that catch and sting prey using a ring of tentacles. But before a hydra can eat, it has to rip its own skin apart just to open its mouth. Scientists now ...

Sleep is one of biology's biggest mysteries. Every species with a nervous system has some form of resting period, and so one theory for why animals sleep is that it helps maintain the brain — allowing ...

With lifespans stretching far beyond human comprehension, creatures like the hydra, Greenland shark and Aldabra tortoise don’t experience the urgency of time that fast-living species do. There are ...