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
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
The lifespan of a tastebud is ten days.
130
Fingernails grow nearly 4 times faster than toenails!
30
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
Music has the ability to repair brain damage and return lost memories.
62
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130