Chewing gum boosts your brain power.
285
In 1995, a man named Shawn Nelson stole a tank from the US Army and took it for a joyride on a highway in California.
12
A comet's tail always points away from the sun.
2
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The first female self-made millionaire in America was a black woman.
5
A human being loses an average of 40 to 100 strands of hair a day.
133