

Dr Helen Czerski examines the world of sound waves.


Mar 2, 2017 - 1h 0m
Dr Helen Czerski investigates the science behind the sounds we're familiar with and the sounds that we normally can't hear, from Big Ben to the Stromboli volcano.

Mar 9, 2017 - 1h 0m
Dr Helen Czerski examines the extraordinary messages sound waves carry and how they help us understand the world around us.