Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Early American humans hunted car-size armadillos and used their shells for houses.
12
The octopus does not have a blind spot.
273
A lion in the wild usually makes no more than twenty kills a year.
186
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23