Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
Nearly 80 percent of all sudden cardiac arrests happen at home.
7
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your thumb is about the same size as your nose.
124