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
Lobsters have blue blood.
476
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
The elephant brain weighs about 6,000g.
274
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2