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Program: Dr Karl Podcast

Presented by

image of Dr Karl on a grey background

Dr. Karl Kruszelnicki

Dr Karl's science hour on triple j is the station’s longest running segment, loved as much today as it ever has been. Every Thursday, 'Dr' Lucy and Dr Karl solve the mysteries of the world, with science. Only triple j listeners could come up with questions as hairy as these.

Episodes

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String theory, Benford's Law and the discovery of Pi

Is math a human invention or something we discovered? How many ways are there to count? And can math offer a solution to microplastics? Dr Karl and special guest Matt Parker answer these questions and more on triple j Mornings with Lucy Smith.

Published: ThuThu 31 Oct 2024 at 12:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 42 minutes 22 seconds

Breath work, species adaptations and peak solar energy

How realistic are shark attacks in movies? Why are there no monkeys in Australia? And how important are breathing exercises? Science communicators Zoe Kean and Ruben Meerman answer these questions and more on triple j Mornings with Lucy Smith.

Published: 24 Oct 2024Thu 24 Oct 2024 at 12:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 41 minutes 9 seconds

Shark repellants, going grey and the sixth sense

Will humans ever evolve to be immune to cancer? How effective are shark bands for surfers? And are our dreams made of atoms? Science communicators Zoe Kean and Ruben Meerman answer these questions and more on triple j Mornings with Lucy Smith.

Published: 17 Oct 2024Thu 17 Oct 2024 at 12:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 41 minutes 31 seconds

Hurricane Milton, the shadow biosphere and preventing CTE

Why do some people have a higher caffeine tolerance? How common is shingles in people under the age of 30? And why don’t any mammals have green fur? Dr Karl answers these questions and more on triple j Mornings with Jordan Barr.

Published: 10 Oct 2024Thu 10 Oct 2024 at 12:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 40 minutes 28 seconds

Moo Deng, koala contraception and de-extinction efforts

Do animals get jet lag? How do snakes dig holes if they have no arms? And what impact would the reintroduction of extinct animals have on existing species?

Published: 3 Oct 2024Thu 3 Oct 2024 at 1:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 42 minutes 17 seconds

Latchkey incontinence, sleep cycles and targeted pain relief

Why do I need to pee every time I get to my front door? How long could you survive in a car with just air conditioning? And does your sleep schedule matter as long as it's eight hours?

Published: 26 Sep 2024Thu 26 Sep 2024 at 1:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 40 minutes 6 seconds

Chemo curls, tinnitus and Bluetooth explained

Are electric vehicles still better for the environment if you charge them with a non-renewable energy source? What happens if you hold your urine for too long? And can you get the physical symptoms of anxiety without feeling anxious?

Published: 19 Sep 2024Thu 19 Sep 2024 at 1:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 41 minutes 21 seconds

Nocturnal teens, space hygiene and Chernobyl fungus

How much air pollution do space launches cause? Why don’t babies get bad breath in the morning? And is it true your immune system doesn’t know you have eyes? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Published: 12 Sep 2024Thu 12 Sep 2024 at 1:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 39 minutes

Wind farms, hair growth and inherited fears

Why does my Bluetooth speaker glitch when I'm using the microwave? Can fears be genetically passed down? And will there be another major evolutionary period for humans?

Published: 5 Sep 2024Thu 5 Sep 2024 at 1:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 37 minutes 3 seconds

Spider silk, super human strength and wild winds

How small does an animal need to be to survive a great fall? Is it safe to reheat tea or coffee in the microwave? And how are magnets made? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Published: 29 Aug 2024Thu 29 Aug 2024 at 1:00am

image of Dr Karl wearing a brightly coloured blue shirt on an yellow patterned background

Duration: 40 minutes 25 seconds

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