On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
Between 2007 and 2012, Bill Gates gave away $28 billion; saving 6 million lives.
34