Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
The odds of being killed by falling out of bed are one in two million.
136
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55

