You forget 90% of your dreams.
256
A human being loses an average of 40 to 100 strands of hair a day.
133
One human hair can support 3 ounces.
191
Only humans shed emotional tears.
331
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
The world's shortest man measures only 21.5 inches.
73
Your fingernails grow faster in summer.
744
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139