Hurricanes are the most powerful storms known to man. Find out when hurricane season peaks, how the storms form, and the surprising role they play in the larger global ecosystem.
Phil walks us through the different layers of the atmosphere. He explains what we can expect to find at each layer and the concentration of air molecules at each level.
Bill Nye explains why it gets colder as one travels up through the atmosphere. He uses miniature replicas of a city and a mountain to support his explanation. Bill also briefly touches upon the lapse rate.