Men have larger hearts; women's hearts beat faster.
77
The first patented condom was meant to be reused!
47
The human brain is insensitive to pain.
76
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
40% of all indigestion remedies sold in the world are bought by Americans.
8
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8