You forget 90% of your dreams.
256
The human sigh acts as a physiological reset button.
23
The human brain doesn't stop developing until about 25 years old.
102
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
If the human eye was a digital camera, it would have 576 megapixels.
25
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The world's shortest man measures only 21.5 inches.
73