A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Lurch, a Watusi bull, had the largest horns in the world.
32
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
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