You can't tickle yourself.
29
A scorpion can hold its breath for up to 6 days.
19
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
There are about 255 babies born worldwide every minute.
46
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5