Redheads require up to 20% more anesthesia to be knocked out.
112
The human brain is insensitive to pain.
76
The skin on your lips is 200 times more sensitive than your fingertips.
345
The lifespan of a tastebud is ten days.
130
About half of all Americans are on a diet on any given day.
29
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
One quarter of the human brain is used to control the eyes.
43
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9