Mosquitoes don't just bite you, they also pee on you.
11
Dogs have been man's pet for over 14,000 years.
224
A scorpion can hold its breath for up to 6 days.
19
When cats are happy, they may squeeze their eyes shut.
10
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
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2