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Dr Helen Czerski examines the world of sound waves.
2016
0.0
2003
1988
7.4
2015
2012
7.0
1995
10.0
2018
8.0
2014
2009
2017
5.7
1964
7.3
6.5
2007
7.7
2010
7.2
1990
8.8
6.8
2024
2021
2025
9.1
8.6
2022
2008
7.6
2023
8.1
8.4
9.0
8.5
2019
6.6
7.9
