The human brain is more active during sleep than during the day.
28
When your face blushes, the lining of your stomach turns red, too.
154
The male fetus is capable of attaining an erection during the last trimester.
75
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
The largest cell in the human body is the female egg and the smallest is the male sperm.
682