Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Early American humans hunted car-size armadillos and used their shells for houses.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492