A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
A human being loses an average of 40 to 100 strands of hair a day.
133
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44