Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sharks have been on the planet longer than trees.
14
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Nicole Kidman is scared of butterflies.
65
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11