The Danger of Nuclear Proliferation; Southern California Edison wants to ship Nuclear Waste 15,500 miles; Is it possible to create a ‘Liquid Drano’ for clogged arteries?; scientist say the recent solar flair was largest in 50 years; The voyager 1 spacecraft is now 8.4 billion miles away, at the edge of the solar wind, making it the first spacecraft to enter interstellar space; Guest Michael West, author of The Immortal Cell: One Scientist’s Quest to Solve the Mystery of Human Aging.