Yawns are more contagious among people with closer relationships.
163
Our Right Lungs takes more air than our left lung.
194
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain doesn't stop developing until about 25 years old.
102
The average person's skin weighs twice as much as their brain.
131
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
If your DNA was stretched out it would reach to the moon 6,000 times.
256