When you hear the word "mummy, " you might think of the ancient Egyptians who preserved their rulers by drying out their bodies and wrapping them in bandages treated with specialchemicals.
The ballots are burned by the scrutineers with the assistance of the secretary of the conclave and the master of ceremonies, who adds specialchemicals to make the smoke white or black.
In the hourlong special report "Toxic Childhood, " Dr. Sanjay Gupta examines the large number of chemicals our children are exposed to -- even before they're born -- and assessed what we know and don't know about their impact on our children's health.