Coins usually survive in circulation for about 30 years.
66
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
"Strategic incompetence" is the art of avoiding certain tasks by pretending you don't know how to do them.
16
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Tae Kwon Do is only around 60 years old.
64
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8