The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Spiders have transparent blood.
56
The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they could be confused at a crime scene.
73
When you correct for weight differences, men are proportionately stronger than horses.
64
Baby whales grow at an average rate of 10lbs per hour!
37
Female kangaroos have three vaginas.
2