hydra

As long as that remains the case, harassing groups can attack like hydras, unafraid to lose one, two, or three hundred heads if it means they damage their targets.

The Technion group microscopically examined a piece of hydra tissue as it regenerated, particularly its multicellular fibers that lie parallel to the long axis of a mature hydra.

In 2020, physicists and biologists at the Technion in Israel analyzed the hydra, a fresh-water animal up to a centimeter long.

If it was the common ancestor between hydras and humans, it likely had neurons and something like muscle that enabled it to move — and the absence of that movement was characteristic of its version of sleep, fulfilling its special needs.

The new revelations about sleep in hydras push the sleep discoveries to a new extreme.

But this may be like the Hydra, where something new can grow in its place.

Antifragile things, meanwhile, are strengthened by it—just as Hydra grows stronger and more multiheaded with every decapitation.

Editor's note: An earlier version of this article confused the monster Hydra with Medusa.

The gang is a hydra, he said, and Suffolk County has seen fluctuations in gang activity.

But the animal itself is the same "hydra-headed monster," let whomsoever may fancy to pet it.

I aimed at the many-headed hydra whose visible representative was Frick.

The Homestead developments had given him temporary prominence, thrown this particular hydra-head into bold relief, so to speak.

Evil complicates, by one knows not what hydra-headed monstrosity, the vast, cosmic whole.

Navigation everywhere contends with the same monster; the sea is one hydra.