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Next up on the Radio
Wednesday 4th March 2026
9:30 am - 10:00 amWednesday 4th March 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 5th March 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 5th March 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
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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?
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Soft copper, blue tyres and compression pants
Can copper pipes be made hard again after they have been overheated then cooled? Why do new tyres sometimes leave a blue mark on the ground? Do sports compression shorts work?
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Farting, space messages and disappearing tastebuds
How much farting would kill someone? Has anyone replied to our space messages? Will my tastebuds disappear if i keep cutting off my tongue ulcers?
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 […]
