Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
You see your nose at all times, your brain just chooses to ignore it.
30
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Nachos were actually invented by a guy named Nacho. Happy Nacho Day!
13
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The United States does not have an official language.
88