The human body contains over a billion miles of DNA.
147
Yawns are more contagious among people with closer relationships.
163
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human brain has the capacity to store everything that you experience.
4k
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The average person's skin weighs twice as much as their brain.
131
One human hair can support 3 ounces.
191
Your body is creating and killing about 2.4 million red blood cells per second.
17