Nobody knows who named our planet “Earth”.
Earthworms are hermaphrodites. They are both male and female at the same time.
Few people are known to have Hyperthymesia (a condition that allows them to remember a vast majority of their lives).
WWOOF is a program that allows you to travel the world, with food and accommodation in exchange for voluntary work.
Honey never spoils.
The lava of a volcano in Tanzania, Ol Doinyo Lengai is so cold that it sometimes freezes in midair.
Mecopterans or scorpionflies do exist but they do not sting.
There are bananas with red skin.
Banzai skydiving is a sport where you throw your parachute out of the airplane and then jump after it.