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

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.

money-value-trust

Value of money is based on trust

GREAT MOMENTS IN SCIENCE: The worth of all currencies from stone coins to Bitcoins is based on people trusting the transaction system. Just ask the people of Yap, writes Dr Karl.

View all posts

Follow Karl on Instagram