Dr Karl Kruszelnicki, renowned author and science commentator answers listeners questions with Phil. Today he answers a Question from Denise on "If a tree falls in the forest and nobody saw, did it happen?"

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American Actor and lead vocalist of the Monkees Micky Dolenz joins Phil for the Peeping Tom segment to speak on his career and his upcoming Australian tour.

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Australian television and comedy legend, Shaun Micallef joins Phil for the Peeping Tom segment to speak on his career, new book 'Matthew Flinders and new TV show Parental Evening.

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For the Behind the song segment Brad Roberts from the band Crash Test Dummies speaks to Phil on the meaning of the song 'Mmm Mmm Mmm Mmm' and their upcoming tour.

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