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 3rd May 2017
    10:00 am - 10:30 am

  • Dr Karl joins Phil Staley on ABC FNQ Mornings

    Wednesday 3rd May 2017
    10:00 am - 10:30 am

  • Dr Karl joins Paula Tapiolas on ABC Townsville

    Wednesday 17th May 2017
    10:00 am - 10:30 am

View full schedule

From the Blog

Famous but not the first: Ellen DeGeneres' selfie at the 2014 Academy Awards (Source: @theellenshow/Twitter)

A brief history of the selfie

GREAT MOMENTS IN SCIENCE: Ellen’s Hollywood selfie may be famous, but the word itself has much humbler origins, if we don’t say so ourselves, on an ABC Science forum hosted by Dr Karl.

Electron microscope image of bacteriophages attacking bacteria (Source: Dr Graham Beard/Wikimedia Commons)

‘Good guy’ virus kills bacteria

GREAT MOMENTS IN SCIENCE: Bacteriophages kill about half the bacteria on Earth every day. Dr Karl explains how nature’s guided missiles can treat common diseases.

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