It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Only 3% of bird species have penises.
0
Cats recognise the voice of their owner, but never evolved to care.
22
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Dogs sometimes fake being sick to get attention.
26
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Denmark has twice as many pigs as there are people.
66