The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The human brain doesn't stop developing until about 25 years old.
102
You can't tickle yourself.
29
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
A strawberry is not a berry, but a banana is.
22
A comet's tail always points away from the sun.
2
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198