all right, on that -- not that i want to take a break from you -- joannie rochette, amy walter, marcia coyleks so much. >> thank you. >> woodruff: next, neuroscience and education. thousands of teachers around the country are learning about an alternative teaching program that aims to use scientific discoveries about the brain to improve the way children learn in the classroom. special correspondent john tulenko of learning matters reports from philadelphia. >> ohhhh class! >> ohhhh class! >> when i say class, you stop what you're doing! >> look at the teacher. >> reporter: today is wacky wednesday in jasselle cirino's third grade classroom, which explains the blue wig. >> so i want you to teach your neighbor. >> reporter: but the rest of what you're about to see is what her class looks like every day. >> i want giant gestures! teach! >> reporter: she uses a set of techniques some call whole brain teaching. >> a lot of times in traditional teaching you're just lecturing, and you're talking and talking and what we like to say-- whole brainers-- we like to say, "the more you talk, the more stu