The average sperm cell swims at 8 inches per hour.
76
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
One human hair can support 3 ounces.
191
When you take a step, you are using up to 200 muscles.
886
The human brain has the capacity to store everything that you experience.
4k
Yawns are more contagious among people with closer relationships.
163
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266