One entry in a series of films produced to make science accessible to the masses—especially children—this film describes the sun in scientific but entertaining terms.

Professor Frank Baxter and some animated friends answer questions about blood. what makes it red? Why do little animals' hearts beat so quickly? And so much more.

Part of acclaimed filmmaker Frank Capra's "Wonders of Life" series of science-based films (which won an Emmy Award for Best Editing) teaches kids about the power of gamma rays and radiation.