Most dust particles in your house are made from dead skin!
67
Most dust particles in your house come from dead skin.
48
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Sound travels about 4 times faster in water than in air.
408