Iron weighs more after it rusts.
16
German chemists made a replica of a trophy the size of one molecule.
68
Each day, up to 150 species of life become extinct.
-23
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The average home creates more pollution than does the average car.
33
Hot water can freeze faster than cold water.
181
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
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