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?"

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?"

Join Phil O'Neil from midnight to 5.30am Tuesday to Friday.

Join Phil O'Neil from midnight to 5.30am Tuesday to Friday.

Overnights with Phil O'Neil

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Audio highlights from Sydney's number one station.

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Ask Dr Karl with Karl Kruszelnicki - October 16th

Wake Up with Phil O'Neil - Friday 16th October

Overnights with Phil O'Neil - Friday 16th October

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. 

 

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.&nbsp;
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Ask Dr Karl with Karl Kruszelnicki - October 16th

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