Most dust particles in your house are made from dead skin!
67
Most dust particles in your house come from dead skin.
48
The average home creates more pollution than does the average car.
33
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Your brain is 80% water.
525
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89