Host Dave Schlom is joined by scientists from the United States Geological Survey's Cascades Volcano Observatory in Vancouver, Washington, for an overview of the iconic cones sheathed in snow and ice and the geologic hazards they represent.

Executive Director Scott Black joins host Dave Schlom for a brief history and overview of the Xerces Society.

Host Dave Schlom visits with Kim Frank, author of the book, "Elephants in the Hourglass."

Host Dave Schlom visits with recently retired TV meteorologist Bill Martin. Bill grew up in Paradise, Calif., and went on to a legendary, Emmy winning career as a television meteorologist on KTVU Channel 2 in Oakland, Calif.

Host Dave Schlom visits with UK-based author Jules Howard to discuss his book, Infinite Life: The Revolutionary Story of Eggs, Evolution, and Life on Earth.

British journalist Jennifer Lucy Allan joins Blue Dot host Dave Schlom to discuss her new book, Clay: A Human History.

Host Dave Schlom visits with nature and wildlife writer Sy Montgomery, whose Soul of An Octopus was a National Book Award finalist, about her latest work, What The Chicken Knows: A New Appreciation of the World's Most Familiar Bird.

Host Dave Schlom is joined by guests from the Scripps Institution of Oceanography at the University of San Diego to profile the ocean science being done at one of the world's most important and historic places to study our blue planet.

Host Dave Schlom is joined by Sam Davidson from Trout Unlimited and Brandy McDaniels from the Pit River Nation for an in-depth look at the newly designated Sáttítla Highlands National Monument.

Blue Dot continues its series of profiles for the United States Geological Survey's volcano observatories with a visit to the granddaddy of them all -- the Hawaiian Volcano Observatory (HVO) on the big island of Hawaii.