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Science with Dr Karl
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Next up on the Radio

  • Wednesday 18th February 2026
    9:30 am - 10:00 am

    Dr Karl joins Sarah Cumming on ABC Gold Coast

  • Wednesday 18th February 2026
    7:00 pm - 7:30 pm

    Dr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland

  • Thursday 19th February 2026
    11:00 am - 12:00 pm

    Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

  • Thursday 19th February 2026
    2:00 pm - 2:30 pm

    Dr Karl joins Joel Rheinberger on ABC Hobart


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In the News

ABC News 24: Chronic Lateness

What kind of late are you? Are you a Dreamer, Defier, Perfectionist or Crisis Maker?

Uncategorized

Hemp, nicotine and underwater spiders

Dr. Karl answers all your science questions, including; is coffee linked to cancer? Is there scientific proof of an afterlife? Why can’t we control what we remember?


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Sleep-talkers, exploded stars, resistance

Has the weather been impacted by the Coronavirus? Can you smell when someone is on their period? Was COVID-19 created in a lab? Dr Karl answers these questions and more on triple j Mornings, with host Lucy Smith and Science reporter Olivia Willis from ABC News.

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 […]