Dr Karl

About Karl

When NASA classified Karl as non-astronaut material in 1981 he walked straight into ABC Radio station Double J and offered to talk about the Space shuttle launch. They said ‘Okay’ and his radio career took off from there. ‘Great Moments In Science’ ran on Double J while Karl moonlighted as a medical student. read full bio

Where is Karl?

You can catch Karl all over the airwaves, check out his upcoming time slots.

  • Dr Karl joins Paula Tapiolas on ABC Townsville

    Wednesday 2nd December 2015
    10:00 am - 10:30 am

  • Dr Karl joins Phil Staley on ABC FNQ Mornings

    Wednesday 2nd December 2015
    10:00 am - 10:30 am

  • Dr Karl joins Robbie Brechin ABC Adelaide

    Wednesday 2nd December 2015
    11:00 am - 11:30 am

View full schedule

From the Blog


The science of stinky sweat and earwax

GREAT MOMENTS IN SCIENCE: Which bacteria give you body odour? Why do some people sweat more than others? And what’s that got to do with earwax? Dr Karl has the answers.


Cyber crime on a global scale

GREAT MOMENTS IN SCIENCE: Cyber space is a new domain in warfare – and it’s not just a lone wolf wearing tracky-daks and a hoodie you need to be worried about, reports Dr Karl.

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