Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Wrap rage is an actual condition when you feel extreme levels of anger and frustration because you are unable to open product packaging.
44
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
The six official languages of the United Nations are Arabic, Chinese, English, French, Russian, and Spanish.
31
Coins usually survive in circulation for about 30 years.
66
During the Black Plague, it was thought that bad smells were the cause of the plague. "Plague Doctors" therefore wore masks with long beak-like noses stuffed with flowers or smoke to hide the smells.
19
Brass doorknobs automatically disinfect themselves in about 8 hours.
18