One human hair can support 3 ounces.
191
The average sperm cell swims at 8 inches per hour.
76
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Poor eyesight (myopia) is associated with higher IQ.
232
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266