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Next up on the Radio
Wednesday 11th November 2026
9:30 am - 10:00 amWednesday 11th November 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 12th November 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 12th November 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
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Uncategorized
Brown rain, Chinese fusion and wax wraps
What causes bags under your eyes? Why does the sound of metal change when it’s wet? Does classical music calm children? Dr Karl answers these questions and more, with guest host Karla Ranby on triple j Mornings.
National Geographic Kids Extraordinary X-rays
X-rays are under the microscope with Dr Karl… X-Rays uncovered! On 22 December, 1895 the German physicist Wilhelm Röntgen took the first ever medical X-ray. It was of his wife’s hand! X-rays are a form of electromagnetic radiation. When this light passes through the body and onto a photographic plate, pictures of bones and some […]
Australian Geographic Popular sunscreen chemical can kill baby corals
Consider wearing zinc or covering up next time you’re snorkeling, says Dr Karl – one popular sunscreen chemical can be toxic for baby corals. ON A TRIP TO the Galapagos Islands, our guide asked us not to use sunscreen at one reef. He told us it was very fragile, and quite small, and that the […]
Uncategorized
Car napping, stinging pineapple and your IQ
Can you change your own genetics? Does cold weather cause you to catch a cold? Why does my head throb when jumping on a trampoline?
