Dr Karl Podcast podcast

Dr Karl Podcast

·

  triple j  

Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!

 

#250

Olfactory fatigue, genetic diseases and Facebook myths

How long can humans survive without food? Why does coffee taste different when it goes cold? And will quantum computing and AI be the end of humanity?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.  ... Read more

09 Jan 2025

43 MINS

43:15

09 Jan 2025


#249

A Summer of Science: The Body

In the last episode of our three-part summer series, we’ll be looking back at your best questions about the human body. We’ll delve into questions like does drinking apple cider vinegar improve gut health? How effective are collagen supplements? And what happens if you hold your urine in for too long?  ... Read more

02 Jan 2025

39 MINS

39:31

02 Jan 2025


#248

A Summer of Science: The Future

In this episode of A Summer of Science, we’ll be looking back at your best questions about the future. We’ll dive into how reintroducing extinct animals might shape our future, if robots will take our jobs, and what cool burning is and the role it might play in an increasingly warmer climate.  ... Read more

26 Dec 2024

41 MINS

41:24

26 Dec 2024


#247

A Summer of Science: Space

Over the next three weeks, we’ll be looking back at your best questions of 2024 and we’re kicking things off with space.  In this episode we’ll answer things like is there any science behind astrology? Can you have sex in space? And do aliens really exist?  ... Read more

19 Dec 2024

43 MINS

43:35

19 Dec 2024


#246

Vitamin D, pesky flies and psychosis explained

Does your blood type impact your dietary requirements? Is blue green algae safe to swim in? And why are there so many cicadas around this year?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.  ... Read more

12 Dec 2024

40 MINS

40:31

12 Dec 2024


#245

Doppler effect, the smell of rain and water intoxication

Can we really hear the ocean in a seashell? What is considered the "right" amount of water? And why do our ears pop when we have the windows down while driving? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.  ... Read more

05 Dec 2024

42 MINS

42:11

05 Dec 2024


#244

Ozempic, plant protein and food noise

Does intermittent fasting affect your metabolism? Why do you feel nerves in your gut? And could hay fever reignite food allergies? Dr Karl and special guest Dr Clare Collins answer these questions and more on triple j Mornings with Lucy Smith.  ... Read more

28 Nov 2024

39 MINS

39:28

28 Nov 2024


#243

Sperm competition, ring of fire and the late heavy bombardment

Why do we have eyebrows? Is there a way to predict the future of evolution in humans? And what would our doctors ask Charles Darwin at a dinner party?  Dr Karl and special guest Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith.  ... Read more

21 Nov 2024

39 MINS

39:07

21 Nov 2024


#242

UV ratings, anxious sweats and morning people

How does alcohol affect your sleep? Can energy be destroyed? And how do snakes stay so clean? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.  ... Read more

14 Nov 2024

41 MINS

41:14

14 Nov 2024


#241

Terraforming Mars, intergalactic travel and the Perseverance Rover

What impact would living on Mars have on our bodies? Could we ever have 'Earth' on our identification? And how are the astronauts stuck on the International Space Station going? Dr Karl and special guest Dr Adrian Brown answer these questions and more on triple j Mornings with Lucy Smith.  ... Read more

07 Nov 2024

36 MINS

36:22

07 Nov 2024


#240

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.  ... Read more

31 Oct 2024

42 MINS

42:22

31 Oct 2024


#239

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.  ... Read more

24 Oct 2024

41 MINS

41:09

24 Oct 2024


#238

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.  ... Read more

17 Oct 2024

41 MINS

41:31

17 Oct 2024


#237

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.  ... Read more

10 Oct 2024

40 MINS

40:28

10 Oct 2024


#236

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?  Dr Karl and special guest Dr Marissa Parrott answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

03 Oct 2024

42 MINS

42:17

03 Oct 2024


#235

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? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.  ... Read more

26 Sep 2024

40 MINS

40:06

26 Sep 2024


#234

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?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith.  ... Read more

19 Sep 2024

41 MINS

41:21

19 Sep 2024


#233

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.  ... Read more

12 Sep 2024

39 MINS

39:00

12 Sep 2024


#232

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? Dr Karl answers these questions and more on triple j Mornings with Bec Charlwood. ... Read more

05 Sep 2024

37 MINS

37:03

05 Sep 2024


#231

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. ... Read more

29 Aug 2024

40 MINS

40:25

29 Aug 2024


#230

Fire ants, bees knees and metamorphic mush

Are we really eating spiders in our sleep? Do bees have knees? Why are cockroaches so resilient? Dr Karl, Dr. Robert Puckett and Jess Ward-Jones  answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

22 Aug 2024

38 MINS

38:02

22 Aug 2024


#229

AI consciousness, hugging trees and deep fakes

Can AI rewrite its own software? How much water would we need to take to the moon to make it inhabitable? And are robots going to take our jobs? Dr Karl and special guest [Dr Matt Agnew] (https://www.drmattagnew.com/)  answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

15 Aug 2024

39 MINS

39:00

15 Aug 2024


#228

Olympic emotions, sourdough starters and dominant hands

Why are we seeing Olympic records in some sports but not others? Does cracking your fingers actually give you arthritis? And if someone ate a diet of only lavender, would their farts smell nice? Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. ... Read more

08 Aug 2024

40 MINS

40:12

08 Aug 2024


#227

Exoplanets, slingshotting spacecrafts and the moon landing

Are there more planets than grains of sand on earth? Does food go mouldy in space? And have we started training astronauts to visit Mars?  Dr Karl and special guest Katherine Bennell-Pegg answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

01 Aug 2024

40 MINS

40:19

01 Aug 2024


#226

Birth control, stem cell modification and the orgasm gap

Is urine sterile enough to clean a wound? Why do our noses run so much in the cold? And can you change your sex drive? Dr Karl and Dr Naomi Koh Belic answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

25 Jul 2024

39 MINS

39:30

25 Jul 2024


#225

Cremations vs. burials, walking sharks and consciousness

Is height predetermined at birth? Could plants have memories? And when we die, is it more environmentally friendly to get cremated or buried?  Dr Karl and special guest Zoe Kean answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

18 Jul 2024

40 MINS

40:24

18 Jul 2024


#224

Cool burning, phantom vibrations and the other side

How do some trees survive extreme bushfires? Where did AI begin? And what's the climate change issue that's not getting enough coverage? For this NAIDOC Week special, Dr Karl is joined by Tiahni Adamson to answer these questions and more on triple j Mornings with Lucy Smith. ... Read more

11 Jul 2024

41 MINS

41:09

11 Jul 2024


#223

Ageing brains, poo colour and conspiracy theories

Why does it become harder to learn things as we get older? If you injured yourself in space, would it hurt as much as it would on earth? And why does cheese taste better melted?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. ... Read more

04 Jul 2024

40 MINS

40:03

04 Jul 2024


#222

Crying headaches, subtitles and human evolution

Can long term use of cannabis change your eye colour? Why do adults feel the cold more than kids? And what will the next stage of human evolution look like?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. ... Read more

27 Jun 2024

39 MINS

39:04

27 Jun 2024


#221

Blood types, nanny naps and the winter solstice

Why does our skin dry out more in winter? If you were born deaf and blind, how would you think? And is sparkling water just as hydrating as regular water?  Dr Karl answers these questions and more on triple j Mornings with Lucy Smith. ... Read more

20 Jun 2024

38 MINS

38:29

20 Jun 2024