When glass breaks, the cracks move faster than 3,000 miles per hour.
47
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Babies are born without knee caps.
78
GTA V achieved $1 billion in sales just 3 days after its launch.
21
There are 86,400 seconds in a day.
110
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33