Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
16
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One cubic foot of gold weighs more than 1,200 pounds!
78
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
Diamonds can be shattered with a hammer.
-104
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists aren't sure what color dinosaurs were.
312