Working backward to solve problems - Maurice Ashley
How state budgets are breaking US schools - Bill Gates
Fractals and the art of roughness - Benoit Mandelbrot
A 3D atlas of the universe - Carter Emmart
How YouTube thinks about copyright - Margaret Gould Stewart
The pattern behind self-deception - Michael Shermer
How architecture helped music evolve - David Byrne
HIV and flu -- the vaccine strategy - Seth Berkley
The difference between classical and operant conditioning - Peggy Andover
The importance of focus - Richard St. John
Visualizing hidden worlds inside your body - Dee Breger
The simple story of photosynthesis and food - Amanda Ooten