On Cool Science Radio , John and Lynn speak with Astrophysicist Dr. Emma Chapman, who has written: First Light: Switching on Stars at the Dawn of Time . Chapman shares information on how the first stars were formed, why they were so unusual, and what they can teach us about the Universe today. They also discuss state-of-the-art telescopes that will let us peer into the past as scientists search for the echoes and footprints of these stars and more.