The average sperm cell swims at 8 inches per hour.
76
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
At age 70, more than 70 percent of men are still potent!
29
By weight, Bone is five times stronger than steel.
417
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23