This video-enhanced lesson was produced as part of the collection NATURE: Window into Science.

NATURE: Window into Science is a project of the LAB@Thirteen, Thirteen/WNET’s Educational and Community Outreach department. Major corporate support for NATURE is provided by Canon U.S.A. and SC Johnson. Additional support is provided by the Corporation for Public Broadcasting and the nation’s public television stations.

© 2008 Thirteen/WNET. All Rights Reserved.

Project Management

Ashlinn Quinn, Associate Director, LAB@Thirteen

Chris Czajka, Director, LAB@Thirteen

Ronald Thorpe, Vice President and Director of Education

Resource Production Team

Robin Cannito, Manager, LAB@Thirteen

Janice Fuld, Outreach Producer, LAB@Thirteen

Andrew Yamato, Outreach Producer, LAB@Thirteen

Content Development

Annetta Green

Michael Holmes

Steve Kluge

Dahlia McGregor

De Anna Roberson

Mary Elizabeth Wilson

Project Advisors

Stephen Berman

Barton Bookman

Paul Furey

Rosemarie Sanders

Joseph Selch

Mary Elizabeth Wilson