Sharks have no bones.
Their skeletons are made of cartilage, the same flexible tissue in human noses and ears.
Their skeletons are made of cartilage, the same flexible tissue in human noses and ears.
They’re actually a type of knife fish and are more closely related to carp and catfish.
They have a completely different genus called Oreamnos, meaning “mountain lamb”.
Than they are to lizards!
Tasty!
They’re even indistinguishable from humans!
Locals believed a man transformed into a goat to escape capture.
Duke the Great Pyrenees served from 2014 to 2018!
It’s called cloacal respiration—handy during hibernation.
Technically, it’s located behind the brain—but still, wild.
The flic-flac spider lives in the Sahara and flips to escape predators.
Bovine bonding is real—and measurable.
Turritopsis dohrnii resets its life cycle when stressed.
Up to 40 minutes, thanks to their slow metabolism.
It’s the size of a small car.
They’ve been cruising the oceans for over 400 million years.
Helps it stay put and mark territory.
Two pump blood to the gills, one to the rest of the body—and it stops when they swim.