There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
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
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
There's 100 trillion good bacteria living in your body.
17
A person can live without food for about a month, but only about a week without water.
156
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99