One human hair can support 3 ounces.
191
The average person's skin weighs twice as much as their brain.
131
Chewing gum boosts your brain power.
285
The average sperm cell swims at 8 inches per hour.
76
Yawns are more contagious among people with closer relationships.
163
The human brain has the capacity to store everything that you experience.
4k
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190