There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Tap water in Canada is held to a higher health standard than bottled water.
19
The lifespan of a tastebud is ten days.
130
Redheads require up to 20% more anesthesia to be knocked out.
112
A person can live without food for about a month, but only about a week without water.
156
On average, there's 100 billion neurons in the human brain.
83