First Half: Douglas Mulhall is a biotech company co-founder, popular science author and journalist, researcher at several universities, and develops buildings that are safe for human health, which have won several international awards. He'll update his work on healthcare cover-ups, and the FDA's failures, as well as the latest discoveries on the importance of elastin and how it is essential to good health.

Second Half: One of America's top astronomy writers, Bob Berman, wrote the popular 'Night Watchman' column for Discover for seventeen years. He'll report on a wide array of powerful celestial events, from colliding galaxies to solar storms and gamma-ray bursts to space-and-time-warping upheavals.