The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
The majority of suicides occur on a Monday.
393
The number of births that occur in India each year is higher than the entire population of Australia.
66
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
On average, the life span of an American dollar bill is eighteen months.
33
The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
There are 293 ways to make change for a dollar.
148