<p>Does a plucked hair grow back? Why does nicotine suppress your appetite? And how high is the sky?</p><p>Dr Karl answers these questions and more on triple j Mornings with Lucy Smith</p>

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Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

Faster-than-light travel, the Van Allen Belt and AI space exploration

dr karl podcast

Dr Karl Podcast

Does a plucked hair grow back? Why does nicotine suppress your appetite? And how high is the sky? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith

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