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Next up on the Radio
Wednesday 29th July 2026
9:30 am - 10:00 amWednesday 29th July 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 29th July 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 30th July 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Earbud headphones, jet-lag and funny trivial things
When using earbud-style headphones, why does the music’s pitch seem lower when they’re removed? Is there a way to reduce the effects of jet-lag?Why is it when you are extremely tired that trivial things seem very funny?
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Cockroaches, bellybuttons and breastfeeding
Why do you always see dead cockroaches on their backs? Why is bellybutton fluff always dark blue? And could you get drunk from breast milk if the mother has been drinking?
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Evolving dogs, coffee shakes and webbed toes
Have the planets ever lined up in the solar system? Why can some people whistle in tune, but not sing in tune? Can you water plants using hot water?
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Exploding crockery, furry male allergies and female ejaculation test results
Why does crockery seem to randomly explode? Plus: Is it possible to be allergic to only male furry animals?; and a caller reports the results of his and his partner’s female ejaculation tests.
