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 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The strangers in your dreams are actually people that you've seen in real life.
50
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14