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Next up on the Radio
Wednesday 17th June 2026
9:30 am - 10:00 amWednesday 17th June 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 17th June 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 18th June 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Recent Articles & Stories
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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 […]
National Geographic Kids Ants Are Strong and Clever
Dr Karl investigates ants and their behaviour Did you know that ants can only lift or drag a heavy load? They don’t do a lot of pushing… So how do they manage to manoeuvre a big piece of tasty food back to their nest so efficiently? Let’s consider an ant stumbling across a cat’s dinner. […]
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Bush life regeneration, fire prevention, benefits of smoke and soil
Does smoke benefit the soil? Plus, what can we expect to see in the future for fire prevention?
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Runny noses after eating? Why is urine yellow? Could space be a sphere?
Why does my partner get a runny nose, after eating a hot dinner? Why is urine actually yellow? Could space possibly be a sphere?
