Karl's Schedule

You can catch Karl all over the airways, radio and television as well as some special events. View the calendar below to see when and where you can catch him next. Please note all times are the local station broadcast times. To check the time in your area, please go here.

The week's events

Dr Karl joins Sarah Cumming on ABC Gold Coast

9:30 am – 10:00 am
Wednesday 16th August 2023

9:30 am - 10:00 am
Local time in Queensland

Dr Karl joins Susan Graham-Ryan on ABC Townsville

10:30 am – 11:00 am
Wednesday 16th August 2023

10:30 am - 11:00 am
Local time in Queensland

Dr Karl joins Lucy Smith on ABC Triple J Science Mornings

11:00 am – 12:00 pm
Thursday 17th August 2023

11:00 am - 12:00 pm
Local time in NSW

Dr Karl joins Prue Bentley on ABC Regional Victoria

3:30 pm – 4:00 pm
Thursday 17th August 2023

3:30 pm - 4:00 pm
Local time in Victoria

Dr Karl joins Ali Moore on ABC Melbourne

4:30 pm – 5:00 pm
Thursday 17th August 2023

4:30 pm - 5:00 pm
Local time in Victoria

Recent Articles

Brain hotter than body

Tuesday 12th July 11:30 am

The highest standard for measuring body temperature is via a heart sensor—after that, it's from inside a body cavity; and you can do it from inside the mouth or the ear, but that's not as accurate, and even less so when measured on the skin. Measuring brain temperature is different again—and be astonished that the temperature of the human brain differs from the rest of the body.

What happens when you get winded?

Tuesday 5th July 11:30 am

Have you ever been winded? You suddenly lose the ability to do something you've done 15 times each minute of your life. It's one part anatomy, one part physiology, and one part don't panic.