9:30 am - 10:00 am
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Next up on the Radio
Wednesday 19th August 2026
9:30 am - 10:00 amWednesday 19th August 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 20th August 2026
11:00 am - 12:00 pmDr Karl joins Lucy Smith on ABC Triple J Science Mornings
Thursday 20th August 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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Australian Geographic Need to know: Bird poo hue
Why is most bird poo white, even though birds eat food of many different colours? The answer has two parts. One is that birds have to get rid of excess nitrogen in their diet. The other is that bird poo does actually come in different colours. Nitrogen is an element in all proteins. Sometimes there […]
National Geographic Kids Why Is It Dark at Night?
Night and dark with Dr Karl… When there is no moon at night, the sky is dark – apart from the light of the stars (let’s ignore the planets). There are thousands of billions of billions of stars, and together they give out a lot of starlight. So why doesn’t the night sky glow as […]
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Love at first sight, killer rabbits, pig orgasms
Why do dead people still get goosebumps? What happens if two black holes collide? Why do you feel worse after a long nap? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith.
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Sex, multiple orgasms and curing a morning glory
As part of triplej’s ‘sex week’, Dr Karl and Zan Rowe take talkback questions ranging from female ‘squirting’ to male morning glories and having sex during pregnancy.
