In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Greyhounds have the best eyesight of any breed of dog.
28
A kangaroo cannot jump if its tail is off the ground.
29
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
Despite the hump, a camel's spine is straight.
43