You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
34
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
Q-Tip Cotton Swabs were originally called Baby Gays.
55
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
During his or her lifetime, the average human will grow 590 miles of hair.
69
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Tsunamis ( tidal waves ) travel as fast as jet planes.
97