The first toilet being flushed in a motion picture was in the movie Psycho.
67
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
About two hundred babies are born worldwide every minute.
237
The average cough comes out of your mouth at 60 miles per hour.
126
The chills you sometimes feel when listening to music is called "musical frisson."
18