Engage your science students this holiday season with a celebration of the winter solstice—Aztec style. The Aztecs were one of many world cultures that marked the winter solstice as a day of renewal.The Aztecs believed that, during the winter solstice, the Sun had traveled all through the celestial vault, dying on December 20th. The sun was then transformed into a hummingbird and was resurrected. Each year on the solstice, they made a sculpture of amaranth and agave nectar in the shape of their