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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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Recent Articles & Stories
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National Geographic Kids Immortal Jellyfish!
There have always been myths about immortality, that is, being able to live forever. Well, our Marine Biologists have found a creature that comes close – a tiny transparent jellyfish. WHAT ARE THEY? While it has the unofficial name of Immortal Jellyfish, its official name is Turritopsis dohrnii (it used to be Turritopsis nutricula). After an adult male T. […]
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Visual snow, dripping taps, waking up grumpy
What’s ‘visual snow’? Why will a dripping tap wake you up but torrential rain won’t? Why do some people wake up grumpy?
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Inner monologues, curly hair and exploding in space
Do bees know they’ll die if they sting you? Why is fire red? Why doesn’t our moon rotate? Dr Karl answers these questions and more, with host Linda Marigliano on triple j Mornings.
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Upset apples, brain capacity and caffeine sickness
Why does a bruised apple taste differently to an unbruised one? Plus: is it possible to evaluate the capacity of the brain in gigabytes? And why does caffeine make you feel sick in the stomach?
