Pain travels through your body at 350 ft. per second.
36
Your thumb is about the same size as your nose.
124
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139