Super Senses: The Secret Power of Animals: Biologist Patrick Aryee and physicist Helen Czerski continue their exploration of the world of animal senses by investigating sound - from the deepest rumbles to the highest squeaks - using specialised technology to detect noises beyond the range of human hearing. They reveal how alligators use low-pitch sounds to make the water around them 'dance', show what it is like to be a bat and see with echo-location, and convert a classic camper van into a giant speaker to conduct the ultimate hearing test for a herd of elephants.

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Documentary