For ages 12 and older. How many grains of sand would it take to fill the universe? This is a problem that the Greek mathematician Archimedes tried to solve in the third century B.C. In this ...

Mix it with roasted apples, cinnamon, and brown sugar. Pour vanilla pudding over it and place it in an oven preheated to 350°F for 10 minutes. Want a deluxe version?

Toss the roasted vegetables into the warm grains. Fold in the chickpeas, pecans, coriander or parsley and lemon juice, then season to taste. Mound onto a plate, top with a little extra coriander ...