Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Your thumb is about the same size as your nose.
124
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Your heart rate can rise as much as 30% during a yawn.
69
In Nepal, cow dung is used for medicinal purposes.
19
The human brain uses approximately as much energy as a 10 watt light bulb.
120

