The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
By weight, Bone is five times stronger than steel.
417
Your skin is actually an organ.
88
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
At age 70, more than 70 percent of men are still potent!
29
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Flu shots only work about 70% of the time.
18