How to make better cookies with science

Chocolate chip cookies are nearly universally adored. People like them in all sorts of textures, sizes and tastes. So how can you make your perfect cookie? Using science, of course. October 1 was National Homemade Cookies Day, so for this week's Reactions episode, so American Chemical Society partnered with Science News magazine's Bethany Brookshire (@scicurious) to take a bite out of baking with the scientific method.