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Next up on the Radio
Wednesday 2nd September 2026
9:30 am - 10:00 amWednesday 2nd September 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 3rd September 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 3rd September 2026
2:00 pm - 2:30 pmDr Karl joins Joel Rheinberger on ABC Hobart
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Brown vs white rice, dairy acne and smelly food farts
Is brown rice actually better for you than white rice? When you eat ice cream does it leave your body as poo or wee? And how do different foods affect the smelliness of your farts? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.
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Moon landing, fat birds, brighter LEDs
Why don’t birds have fat legs? Why are LED lights brighter then ever? Was the moon landing real? Dr Karl answers these questions and more on triple j Mornings with host Lucy Smith.
National Geographic Kids What is a Sinkhole?
Dr Karl digs deep into sinkhole science A sinkhole is a void in the ground caused by a collapse of the Earth’s surface layer. This usually occurs when the ‘stuff’ underground – limestone and gypsum – dissolves or shifts as a result of lots of moving water in one area. Heavy localised rainfall or large […]
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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?
