A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
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
You forget 90% of your dreams.
256
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
A cow produces around 200,000 glasses of milk in her lifetime.
373