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 Robbie Brechin ABC Adelaide

    Wednesday 8th July 2015
    11:00 am - 11:30 am

  • BBC Radio 5 live’s Up All Night

    Thursday 9th July 2015
    3:00 am - 4:00 am

  • Dr Karl joins Steve Austin on ABC 612 Brisbane

    Thursday 9th July 2015
    10:30 am - 11:00 am

View full schedule

From the Blog

The heat is on: The first decade of the 21st century is the hottest decade since we began thermometer-based records in the 1850s (Source: viperagp/iStockphoto)

Global warming ‘pause’ cherry picks the facts

GREAT MOMENTS IN SCIENCE: Overwhelming evidence indicates that the world is getting hotter, so why all the talk about a global warming pause? The claim is based on cherry picking facts and mangling the data, says Dr Karl.

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Did arsenic poisoning make gods limp?

GREAT MOMENTS IN SCIENCE: The Roman god of fire, Vulcan, was impressively built, but walked with a limp. He may have had a case of the first known industrial disease: arsenic poisoning, says Dr Karl.

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