Dr Karl
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Triple J Science Questions

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Next up on the Radio

  • Thursday 21st September 2017
    11:00 am - 12:00 pm

    Dr Karl joins Zan Rowe on ABC Triple J Science on Mornings

  • Thursday 21st September 2017
    12:00 pm - 1:00 pm

    Dr Karl joins Rhod Sharp on BBC Radio 5 Live

  • Wednesday 27th September 2017
    9:30 am - 10:00 am

    Dr Karl joins Nicole Dyer on ABC Gold Coast

  • Wednesday 27th September 2017
    10:30 am - 11:00 am

    Dr Karl joins Paula Tapiolis on ABC Townsville

  • Wednesday 27th September 2017
    11:00 am - 11:30 am

    Dr Karl joins Ali Clarke on ABC Adelaide

  • Thursday 28th September 2017
    11:00 am - 12:00 pm

    Dr Karl joins Zan Rowe on ABC Triple J Science on Mornings


Latest Books

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Recent Articles & Stories

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Great Moments in Science

Two BIG physics problems

GREAT MOMENTS IN SCIENCE: Why are the Higgs field and dark energy so weak? Find the answer and you could earn yourself a Nobel Prize, says Dr Karl.

Great Moments in Science

Can you get pregnant during a pregnancy?

GREAT MOMENTS IN SCIENCE: It’s a phenomenon known as superfetation, and while it’s rare, it can happen, says Dr Karl.


Great Moments in Science

How many cells in a person?

GREAT MOMENTS IN SCIENCE: It’s a surprisingly hard question to answer, but Dr Karl has tracked down a reasonable estimate of the number of cells in the human body.

Great Moments in Science

Stars look pointy because …

GREAT MOMENTS IN SCIENCE: Why do stars look pointy even though they’re actually spheres of plasma sans points or spikes? Dr Karl dissects the anatomy of vision.