You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
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
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
The first household refrigerators cost about $16,000, in today's money!
47
No piece of square dry paper can be folded more than 7 times in half!
26
The ashes of the average cremated person weigh nine pounds.
40
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12