For every gallon of sea water, you get more than a quarter pound of salt.
45
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One barrel of petroleum holds 42 gallons.
20
Research indicates that plants grow healthier when they are stroked.
173
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
The smell of freshly cut grass is actually a plant distress call.
31
The only letter not appearing on the Periodic Table is the letter "J".
180