Best of Blue Dot: All that glitters: a conversation with Dominic Frisby author of The Secret History of Gold

Host Dave Schlom is joined by two special guests to tell the story of the now-fully restored Western Flyer.

Host Dave Schlom is joined by Mark Shelhamer, former Chief Scientist of the Human Research Program at NASA's Johnson Space Center in Houston and current director of the Johns Hopkins Human Spaceflight Laboratory in Maryland.

Host Dave Schlom is joined by Charles Schneider, a Connectivity Program Manager for California Trout, to discuss the human and natural history of California's third-largest watershed, the Eel River.

Host Dave Schlom is joined by two representatives from The Nature Conservancy in California to discuss the importance of dark skies as a natural resource.

Host Dave Schlom is joined by Mark O'Connell, whose screenwriting credits include Star Trek: The Next Generation and Deep Space Nine, to talk about his non-fiction book, The Year Science Changed Everything: 1957's International Geophysical Year and the Future of Our Planet.