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CrowdScience

If a tree falls in a forest does it make a sound?

Duration: 40 minutes

on BBC World Service Americas and the Caribbean

Available for over a year

If a tree falls, and there’s no-one there to hear it, does it make a sound? An age old question that’s puzzled for centuries. Can CrowdScience settle it once and for all? Show more

BBC World Service Americas and the Caribbean

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