Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Cats and dogs can hear ultrasound.
350
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Early American humans hunted car-size armadillos and used their shells for houses.
12
When dragonflies mate, their tails form a love heart.
22
Nicole Kidman is scared of butterflies.
65
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492