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
If you unfolded your brain, it would cover an ironing board.
42
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
Flu shots only work about 70% of the time.
18
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
The average person who stops smoking requires one hour less sleep a night.
79
The human brain has the capacity to store everything that you experience.
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