Only 1% of bacteria cause disease.
45
Clinophobia is the fear of beds!
30
It takes about 20 seconds for a red blood cell to circle the whole body.
102
You can alleviate a tickly throat by scratching your ear.
9
The human brain uses approximately as much energy as a 10 watt light bulb.
120
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
There is a disease called ichthyosis that turns the skin scaly like a fish.
90