When the year starts out with 4,500 pounds of cornstarch and water and a cement truck on The Ellen Degeneres Show... you know it's going to be quite a year! Our video and experiment library has grown to almost 400, with 70 new science videos added to our science video library just this year. Selecting our Top 10 Videos for the year was tough, but here are our personal favorites. Let us know what you think...