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Next up on the Radio
Wednesday 11th February 2026
9:30 am - 10:00 amWednesday 11th February 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 11th February 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 12th February 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Beard hairballs, purring pussies and green boogers
Do bees know they’ll die if they sting someone? Why do I feel hungry after eating fruit? What material makes the best reusable coffee cup?
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The perfect hot chocolate, body hair length, snorting
How do you make the perfect hot chocolate? Does snorting things destroy your sense of smell? What are the particles of atoms made of?
National Geographic Kids How Much Does a Cloud Weigh?
A cloud is made up of many, many tiny ‘clumps’ of water, either liquid or frozen. The liquid droplets are about 0.002mm across – smaller than the thickness of a human hair. Some of these tiny droplets are so small that it would take a million of them to make a single raindrop! Different clouds […]
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Itchy ankles, swelling cheeks and bellybutton fluff
Why do some people get itchy legs when they exercise? Plus: what causes some people’s cheeks to swell and tingle while eating cheese? And why is bellybutton fluff always blue?
