In the last 4,000 years, no new animals have been domesticated.
25
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Snails can live up to 15 years.
84
Porcupines float in water!
69
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Maggots will only eat flesh if it is dead. For this reason, they are often used to remove the burnt skin from severe burn patients.
26
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11