Dr Karl
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Triple J Science Questions

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Next up on the Radio

  • Wednesday 27th February 2019
    10:30 am - 11:00 am

    Dr Karl joins Nicole Dyer on ABC Gold Coast

  • Wednesday 27th February 2019
    11:00 am - 11:30 am

    Dr Karl joins David Bevan on ABC Adelaide

  • Wednesday 27th February 2019
    11:30 am - 12:00 pm

    Dr Karl joins Paula Tapiolis on ABC Townsville

  • Thursday 28th February 2019
    11:00 am - 12:00 pm

    Dr Karl joins Linda Marigliano on ABC Triple J Science Mornings


Latest Books

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Recent Articles & Stories

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Great Moments in Science

Credit card theft: why is pays to be careful

Criminals don’t need to steal your credit card to get your information. There are many other sneaky ways they can nab your details, says Dr Karl.

Great Moments in Science

Wasted food

Humans waste a huge amount of food every year.


Great Moments in Science

Bitcoin and security

The way we spend money is changing with electronic transactions and new ‘strange’ currency like Bitcoin, but security is important and mathematics central to that, as Dr Karl explains.

National Geographic Kids

I Can See A Rainbow!

Dr Karl explores the magic of a rainbow. We love a good rainbow. But did you know that not all look the same? Some can be brilliantly bright and colourful and some can appear faint or dull. So when can you see the best ones? The clearest appear when the sun is shining brightly behind […]