Iron weighs more after it rusts.
68
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Most dust particles in your house come from dead skin.
48
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Billions of neutrinos pass unnoticed through your body every second.
6
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
Sound travels about 4 times faster in water than in air.
408