5-January-2009 to 15-March-2009, 30 videos were judged by an ACS panel ("Critic's Choice," based on creativity, scientific clarity of explanation, originality, and overall quality) as well as by popular choice ("People's Choice," a combination of highest ratings with the greatest number of online votes). Panelists included Prof. Paul Alivisatos (University of California, Berkeley), Prof. Angela Belcher (Massachusetts Institute of Technology), Mr. Aaron Rowe (Wired Magazine), and Prof. Paul Weiss (The Pennsylvania State University).

"The Nano Song" a collaborative effort by a group of researchers from University of California, Berkeley including Patrick Bennett, David Carlton, Molly Felz, Nola Klemfuss, Glory Liu, Ryan Miyakawa, Stacey Wallace, and Angelica Zen, was the winner of both the Critics' Choice and People's Choice awards.

"Introduction to Nanotechnology" created by Dan Graham of Asemblon Inc., was the Critics' Choice runner-up. "Nanotechnology Brings us Delicious New Solar Cells" created at the University of Notre Dame by Blake Farrow, was the People's Choice runner-up.

Thank you for the screenings, submissions, and comments! The "What is Nano?" video contest may be over, but users are encouraged to submit videos to our latest contest, "How Will Nano Change the World?" Submit a video today.