
Bionic eyes, poop schedules and aphantasia
25/12/2025 | 29 min
Does Halsey understand DNA properly? How long should we cryogenically freeze ourselves for? And can we learn how to remember everything?Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about the human body!

The age of space, explosive planets and black hole portals
18/12/2025 | 27 min
How much can a black hole consume? Would anything happen if we all jumped at once? And which planet would have the best gigs?Join Lucy, Dr Karl and special guests for a look back on some of our favourite questions from this year all about space!

Disappearing poos, capsaicin receptors and cane toads
11/12/2025 | 40 min
What muscles are required for a yawn? How does jewellery affect our skin? And what's the connection between atoms and physical pain?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

The speed of darkness, sticky spider webs and drinking snow
04/12/2025 | 38 min
How far into space could we hear the Js? What actually causes 'the runs'? And is drinking snow hydrating?Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.

Hair loss, bone density and body glitter vs. sunscreen
27/11/2025 | 38 min
Can you taste with just a sense of smell? Is it possible for your immune system to reset? And what causes period shits?Dr Karl and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith.



Dr Karl Podcast