A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
You inhale about 700,000 of your own skin flakes each day.
29
If you unfolded your brain, it would cover an ironing board.
42
Vaccines contain formaldehyde, ethylene glycol (antifreeze), phenol (disinfectant / pesticide), and aluminum.
-14
Banging your head against a wall uses 150 calories an hour.
57
People who sleep late have more mental stamina and can outperform early risers.
33
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16