The elephant brain weighs about 6,000g.
274
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
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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