A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Denmark has twice as many pigs as there are people.
66
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12