Some of Boulder's biggest brains will be on the Pearl Street Mall this weekend -- shining shoes. Local gurus of the cosmos will join their astro-brethren across the country on Saturday for the "Planetary Car Wash & Bake Sale," an event organized by Alan Stern, associate vice president of the Southwest Research Institute's Space Science and Engineering Division in Boulder, to call attention to the deep budget cuts being proposed for NASA's planetary science program. Read more