What did calvin do?

You pronounce the Calvin in Calvin and Hobbes the same way you pronounce any of the other Calvins in the first entry. Cal, as in California, and Vin, rhymes with bin. Emphasis on the first syllable,...

Calvin is six years old.

The problem Calvin was investigating was how did the carbon in carbon dioxide get converted into the carbon in carbohydrates during phototsynthesis. This meant he had to find a way of tracing the...

Calvin is the name of a physiologist who worked on respiration