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Next up on the Radio
Wednesday 14th October 2026
9:30 am - 10:00 amWednesday 14th October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 15th October 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 15th October 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
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Cement nails, beached whales and red hair changing colour
Does cement make your nails grow? Are the hiccups hereditary? Why is the sound of a plane flying so loud when you’re outside it, but quiet when you’re inside it? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.
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Poltergeist phones and period cravings
Why do some mobile phones ring when they are switched off? And why do many women crave chocolate just before their periods?
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Bad apples and the strange sounds our body can make
Does cold storage affect how food metabolises and germinates? Plus: why do some people’s eyes squeak when they rub them?; and why can some people make their ears ‘crack’ when they press them?
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Coconut oil, inhaling smoke, tiredness
Coconut oil, inhaling smoke and why you might feel tired when you’re doing nothing?
