Dogs sometimes fake being sick to get attention.
26
Early American humans hunted car-size armadillos and used their shells for houses.
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When cats are happy, they may squeeze their eyes shut.
10
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Two dogs were among the Titanic survivors.
262
Denmark has twice as many pigs as there are people.
66