Material World 23rd August: Mars; bomb-proof make-up; toilets of the future; hearing loss & bird song

from Material World · host BBC Radio 4

Quentin Cooper puts the peregrine among the pigeons and asks whether age-related hearing loss means birds with high song are missed off the all-important British bird surveys

Episode metadata supplied by the publisher feed · Published Aug 23, 2012

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Material World 23rd August: Mars; bomb-proof make-up; toilets of the future; hearing loss & bird song

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