When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
An iceberg contains more heat than a lit match.
73
The first toilet being flushed in a motion picture was in the movie Psycho.
67
Real diamonds do not show up on x-ray.
36
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
62% of us pop our zits.
137
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18