Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
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
Only 3% of bird species have penises.
0
Denmark has twice as many pigs as there are people.
66
The seahorse is the only fish to have a neck.
12
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250