In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The strangers in your dreams are actually people that you've seen in real life.
50
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
Only about 2% of the world population has green eyes.
36
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Lurch, a Watusi bull, had the largest horns in the world.
32