Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202
The first two years of a dog's life are equal to 24 human years.
25
Sheep can recognize other sheep from pictures!
71
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
There are no ants in Iceland, Antarctica, and Greenland.
78
A baby octopus is about the size of a flea at birth.
40