Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Early American humans hunted car-size armadillos and used their shells for houses.
12
The elephant brain weighs about 6,000g.
274
Two dogs were among the Titanic survivors.
262
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Parrot parents "name" their children with a signature call.
112
A dairy cow can produce more milk when listening to music.
446