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Next up on the Radio
Wednesday 29th July 2026
9:30 am - 10:00 amWednesday 29th July 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 29th July 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 30th July 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
Thursday 30th July 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
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Recent Articles & Stories
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National Geographic Kids The Pillars of Creation
The Eagle Nebula is a stellar nursery: a place where new stars are born. It’s about 7,000 light years away from Earth (for comparison, the nearest star to our sun is about four light years away). The Eagle Nebula contains three enormous pillars (a few light years high), growing like stalagmites from the floor of […]
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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Fasting, bluebottles and magnetic poles
Dr. Karl answers all your science questions, including; Is fasting good for you? How do bluebottles procreate? Are the magnetic poles changing places?
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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?
