Cool Science Radio | November 06, 2025

Geoscientist Gabriel Bowen discusses new research revealing that human activity has pushed Utah’s Great Salt Lake into a state unseen for at least 2,000 years. Then, astrobiologist Caleb Scharf discusses his new book, "The Giant Leap: Why Space Is the Next Frontier in the Evolution of Life," exploring how humanity’s expansion into space represents a profound new phase in the story of evolution itself.