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 idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
You see your nose at all times, your brain just chooses to ignore it.
30