In 1477, the first diamond engagement ring was given to Mary of Burgundy by Archduke Maximillian of Austria. | A shark is the only fish that can blink with both eyes. | Jefferson invented the dumbwaiter, the monetary system, and the folding attic ladder. | Recycled paper is made using 40% less energy than normal paper. | One alternative title that had been considered for NBC's hit "Friends" was "Insomnia Café."

A year from now you will wish you had started today.