Producer: Brian Brunius Associate Producer: Ariel Jacobs Production Assistance: Jin Chen Writer: Kathy Svitil Lesson plans: Ariel Jacobs HTML Implementation: Brian Santalone Art Director: Sabina Daley Designer: Wilson Gu Graphics Production: Ying Zhou-Hudson Thirteen Online is a production of Thirteen/WNET New York's Kravis Multimedia Education Center in New York City. Anthony Chapman, Director of Interactive & Broadband. Bob Adleman, Business Manager. Carmen DiRienzo, Vice President and Managing Director, Corporate Affairs. Executive Producer: Maura Kelly Senior Producer: Naomi Edelson Lead Science Consultant: Ian G. Saunders Field Producer: Arash Hoda Editor: Edward Goldberg Director of Children's and Educational Programming: Sandra Sheppard © 2006 Educational Broadcasting Corporation. All rights reserved.