Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The human heart creates enough pressure to squirt blood 30 ft.
37
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Enamel is hardest substance in the human body.
61
Flu shots only work about 70% of the time.
18
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266