Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
A sneeze can travel as fast as 100 miles per hour.
43
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
The human brain is more active during sleep than during the day.
28
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31