Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The average sperm cell swims at 8 inches per hour.
76
Most dreams last only 5 to 20 minutes.
79
There are more bacteria in your mouth than there are people in the world.
60
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
At age 70, more than 70 percent of men are still potent!
29
The Internal Revenue Service audits 87 percent of women who claim breast implants as tax deductions.
54