Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A cesium atom in an atomic clock beats over nine billion times a second.
43
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
Billions of neutrinos pass unnoticed through your body every second.
6
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Iron weighs more after it rusts.
68
Most dust particles in your house come from dead skin.
48