The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
World's heaviest primates: morbidly obese humans. After that: gorillas at 485 lbs.
106
A rodent's teeth never stop growing.
16
When cats are happy, they may squeeze their eyes shut.
10
A male baboon can kill a leopard.
38