Dr Karl Podcast

Episodes

• 
  Night sweats, time travel and dog poo 29.10.2026 41m

  Why do farts follow you? When riding a bike, how do you gain speed without pedalling? And why do we experience itchiness? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Bruising, cockatoo schedules and roasted potatoes 22.10.2026 41m

  How do bandages affect bruising? Can bunions return after surgery? And why does a sauna feel hotter when you chuck water on the coals? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Coral bleaching, bioluminescence and intelligent fish  15.10.2026 40m

  Do fish have feelings? Does Shark Tale stack up scientifically? And how can you get involved in marine science? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Dyslexia, El Niño and itchy ears  08.10.2026 41m

  Why do we dance when we hear music? Can you smell someone's sickness? And why do cats always land on their feet? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Glowing planets, shrinking brains and living till you're 150 01.10.2026 40m

  How is it possible to day dream? Can screen time and AI impact how you age? And what makes the colours of the sunset? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  The full moon, earworms and tickling 24.09.2026 40m

  Why does cola taste different when it's in a can? How come we shouldn't reheat meat more than once? And why do we sneeze when we get into hot cars? Dr Karl answers these questions and more on triple j Mornings with Tanya Bunter. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Honeybees, climate change and pollination 17.09.2026 42m

  Why is the sun so good at removing tomato stains? Why do plants change colour in response to cold weather? And are we getting closer to what was portrayed in the movie Avatar?  Dr Rose Kerr and Dr Clancy Lester answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl
• 
  Radio stars, spiral galaxies and threadworms 10.09.2026 41m

  When will Australia have a total solar eclipse? What determines the life cycle of a star? And why does our body go into 'survival mode'?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  The third eye, scented candles and norovirus  03.09.2026 40m

  Why do our ears produce wax? What is the storage capacity of the human brain? And will we ever run out of music combinations?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Black tea, pins & needles and toilet doors  27.08.2026 40m

  Does sneezing cure nausea? Why do brown paper bags ripen produce? And how does aromatherapy work?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Calcium v. iron, E=mc² and The Pill  20.08.2026 40m

  Is nicotine a laxative? Are mental health conditions hereditary? And can you retrain gut bacteria? Dr Kate Thomas, Dr Caitlin Thurn and Dr Karl answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Axolotls, hydration and escalators  13.08.2026 42m

  What does space smell like? Why does a beer taste different with breakfast? And why is the 'feels like' temperature different to the actual temperature? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Endometriosis, oversleeping and 'irritable male syndrome' 06.08.2026 39m

  Does sex get rid of a headache? If you're on hormonal contraception, do you still release an egg each month? And when you eat corn, why does it come out the other end in one piece?  Dr Naomi Koh Belic and Dr Theresa Larkin answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Alzheimer's, furry friends and spider webs 30.07.2026 40m

  Why do our dogs love us so much? Can the temperature change our sense of smell? And could the evolution of dinosaurs happen again? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Cold sores, facial hair and double rainbows 23.07.2026 39m

  Why do you get a full body shiver after using the toilet? Why is the sky a different colour in WA? And why are celestial orbits on the same horizontal plane? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Dirt bikes, flat earthers and illegal drugs 16.07.2026 41m

  How do one way mirrors work? Why do you need to sneeze when you look at the sun? And why does driving feel faster at night? Dr Karl answers these questions and more on triple j Mornings with Sam Lane. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Thylacines, blocked noses and bird flu  09.07.2026 41m

  How different would the environment be if the thylacine wasn't wiped out? Are animal sightings symbolic? And why do bower birds collect blue items? Dr Karl and Deadly Science's Corey Tutt answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl Follow Deadly Science here:  https://www.instagram.com/deadlyscienceorg/?hl=en
• 
  Pokémon, off-grid festivals and cannabinoids  02.07.2026 41m

  Why is red light more environmentally friendly? Which science fiction is the most realistic about our present and future? And what triggers thirst versus hunger? Dr Karl and Sci_Burst’s Ella and Isabel answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl Listen to Sci_Burst here or wherever you get your podcasts!
• 
  The meaning of life, shark attacks and the Large Hadron Collider 25.06.2026 37m

  What is the best kind of shade? Why are some rocks older than others? And is winter the dustiest season? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl 
• 
  Gamer brain, VR immersion and gacha gambling 18.06.2026 44m

  Can we be profiled by the video games we play? Why does time fly when you're having fun? And what can gaming teach us about real-world science? Dr Karl and Professor Marcus Carter answer these questions and more on triple j Mornings with Lucy Smith. Got a question for Dr Karl - submit it here https://ab.co/askKarl  Find out more about Marcus' work with Sydney Games and Play Lab here!