Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
14
There's a rare breed of pig that looks like a sheep.
14
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4