Fahrenheit, Celsius and Kelvin explained in ten seconds
BONUS FACT: If we lived on Saturn's moon Titan, we probably would have used the freezing and boiling points of methane for our "100 step" (centigrade) scale. MinutePhysics is on Google+ -...
========== In Fahrenheit, 0° was the freezing point of saltwater and 96° the temperature of life.Celsius had 0° and 100° set at the freezing and boiling points of regular waterwhile Kelvin is just Celsius offset so that 0° is the coldest it gets.