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Dr Karl Podcast

triplej
Climate Change
Evolution
Alcohol
Science With Dr Karl Live
Consciousness
Black Holes
Artificial Intelligence
Global Warming
Ants
Mathematics
Nutrition
Rainbows
Human Body
Hormones
Bees
Hay Fever
Sustainability
Gravity
NASA
Misinformation

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!

PublishesWeeklyEpisodes681Founded21 years ago
Number of ListenersCategory
Science

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Artwork for Dr Karl Podcast

Latest Episodes

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... more

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 ab.co/askKarl

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... more

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 fo... more

Key Facts

Accepts Guests
Contact Information
Podcast Host
Number of Listeners
Find out how many people listen to this podcast per episode and each month.

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People also subscribe to these shows.

Shirtloads of Science
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The Science Show
The Science ShowABC Australia
What's That Rash?
What's That Rash?ABC Australia
Science Friction
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Hack
Hacktriplej

Recent Guests

Nathan Imbrisi
Listener asking about brain storage capacity
Audience
Episode: The third eye, scented candles and norovirus
Kate Thomas
Pharmacist featured on the show
Prescribe or Pass / Artemis Project
Episode: Calcium v. iron, E=mc² and The Pill
Caitlin Thurn
Physicist speaking on physics, neuroscience, education
University of Sydney / Artemis Project
Episode: Calcium v. iron, E=mc² and The Pill
Dr Emma
Medical doctor guest who discusses summer nail growth and hydration
Medical professional
Episode: Axolotls, hydration and escalators
Dr Naomi Koh Belic
The Bimbo Biologist; ABC inaugural science journalism fellow
ABC; Bimbo Biology
Episode: Endometriosis, oversleeping and 'irritable male syndrome'
Dr Johnny Marie
Guest answering a question about urinary/shudder phenomenon
Episode: Cold sores, facial hair and double rainbows
Dr Seamus
Guest answering cold sore question and herpes basics
Episode: Cold sores, facial hair and double rainbows
Dr Alex
Guest discussing water divining and anomalous readings
Episode: Cold sores, facial hair and double rainbows
Dr Nathaniel
Guest discussing facial hair biology and shampoo routines
Episode: Cold sores, facial hair and double rainbows

Hosts

Dr Karl Kruszelnicki
Host and science communicator with long-standing involvement in public science education.
Lucy Smith
Co-host guiding segments and interacting with listeners and guests.

Reviews

4.7 out of 5 stars from 5k ratings
  • Love ittttt

    I found this show when I was like 12 and fell in love with it! I do wish that there could be less guests on the show tho.

    Apple Podcasts
    5
    No name hahehahe
    Australia2 months ago
  • Great

    Great

    Apple Podcasts
    5
    Fartshartpoo
    Australia2 months ago
  • Six seven

    Six seven

    Apple Podcasts
    5
    Perso_n
    Australia3 months ago
  • Incredible

    🍝

    Apple Podcasts
    5
    Squidkid🦑
    Australia3 months ago
  • This show is kinda gross

    I hate this show pls whack yourself on the head thanks just kidding this this show is awesome so glad for your old existence.

    Apple Podcasts
    1
    brilliancthggnff
    Australia3 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Shows high accessibility and enthusiasm for science, even for complicated topics.
Feedback is mixed on guest volume and some comments about off-topic tangents, but overall positive sentiment.
Listeners praise engaging hosts and a long-running format that switches between questions and demonstrations.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#73
United Kingdom/Science
Spotify
#4
Australia/Science
Apple Podcasts
#102
Australia/Top Podcasts
Apple Podcasts
#1
Australia/Science
Apple Podcasts
#27
Indonesia/Science
Apple Podcasts
#40
New Zealand/Science

Talking Points

Recent interactions between the hosts and their guests.

Black tea, pins & needles and toilet doors
Q: Can you stop yourself from sneezing?
The hosts explain that you can suppress a sneeze temporarily through controlled breathing or swallowing, but generally you don't want to suppress it because sneezing is a normal reflex; suppressing it can push irritants into the sinuses.
The third eye, scented candles and norovirus
Q: Rosanne asks if there will ever be a finite limit to musical notes in an octave given tempo and rhythm changes.
Dr Karl explains that with 12 semitones per octave, tempering and extending scales can create exponentially many unique note sequences, so while there are practical limits, mathematically there are vast possibilities depending on how you combine notes, rhythms, and dynamics.
Calcium v. iron, E=mc² and The Pill
Q: What is pseudo-hypoaldosteronism, and can kids grow out of it?
Pseudo-hypoaldosteronism involves the kidneys not responding to aldosterone, causing low sodium and high potassium; management includes research-based education and monitoring; outcomes depend on the type and treatment approach.
Calcium v. iron, E=mc² and The Pill
Q: Is it possible to skip a period while on the pill, and why does the withdrawal bleed occur?
Withdrawal bleeds mimic a 28-day cycle but are not medically required every month; skipping a period is possible for some people, though the physiology of the endometrium still responds to hormone withdrawal cues.
Calcium v. iron, E=mc² and The Pill
Q: Can altitude affect blood pressure and why do people experience altitude sickness?
Higher altitude reduces available oxygen, causing short-term vasodilation and higher blood pressure; long-term adaptation includes more red blood cells and vascular changes that mitigate altitude sickness.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
Age Range
Household Income
Social Media Reach

Frequently Asked Questions About Dr Karl Podcast

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To see how many followers or subscribers Dr Karl Podcast has on Spotify and other platforms such as Castbox and Podcast Addict, simply upgrade your account. You'll also find viewership figures for their YouTube channel if they have one.

Which podcasts are similar to Dr Karl Podcast?

These podcasts share a similar audience with Dr Karl Podcast:

1. Shirtloads of Science
2. The Science Show
3. What's That Rash?
4. Science Friction
5. Hack

How many episodes of Dr Karl Podcast are there?

Dr Karl Podcast launched 21 years ago and published 681 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact Dr Karl Podcast?

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What guests have appeared on Dr Karl Podcast?

Recent guests on Dr Karl Podcast include:

1. Nathan Imbrisi
2. Kate Thomas
3. Caitlin Thurn
4. Dr Emma
5. Dr Naomi Koh Belic
6. Dr Johnny Marie
7. Dr Seamus
8. Dr Alex

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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