Iron weighs more after it rusts.
68
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
Out of all the senses, smell is most closely linked to memory.
146
Cold water weighs more than hot water.
93
Liquid TIDE laundry detergent glows under a blacklight.
96
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89