Only about 2% of the world population has green eyes.
36
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Lurch, a Watusi bull, had the largest horns in the world.
32
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
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