Quirks Holiday Book show - Science of the voice, talking about the weather, epigenetics and a new view of evolution and dust and rain

Quirks and Quarks

A writer and sound engineer investigates the science of the human voice; Our atmosphere is a thin veneer on our planet, but this writer says it's where the action is; A revolution in evolution is turning back the clock more than 200 years, says new book; How important is dust to making it rain?

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