Dogs sometimes fake being sick to get attention.
26
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
Condoms were originally made of animal intestines or linen.
347
The elephant brain weighs about 6,000g.
274
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11