Early American humans hunted car-size armadillos and used their shells for houses.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Nicole Kidman is scared of butterflies.
65
Denmark has twice as many pigs as there are people.
66