For every gallon of sea water, you get more than a quarter pound of salt.
45
Out of all the senses, smell is most closely linked to memory.
146
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Iron weighs more after it rusts.
16
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists aren't sure what color dinosaurs were.
312
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39