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Shirtloads of Science

Dr Karl Kruszelnicki
Climate Change
Artificial Intelligence
Dark Matter
Black Holes
Biodiversity
Astrophysics
Australia
University Of Sydney
Vaping
Carbon Dioxide
Wikipedia
Neutron Stars
Generative AI
Public Health
Mathematics
Nobel Prize
Misinformation
Neutrinos
Fossil Fuels
Sunblock

Dr Karl's a curious optimist. Join him as he explores the latest developments in science with leading researchers and communicators. And remember, it's never too late for a happy childhood. Series Producer: Isabelle Benton Technical Producer: Maya Cook Contact: shirtloadspodcast@gmail.com

PublishesWeeklyEpisodes470Founded10 years ago
Number of ListenersCategories
PhysicsEarth SciencesScience

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Artwork for Shirtloads of Science

Latest Episodes

What if evolution isn't just about the survival of the fittest? Rowan Hooper, senior editor at New Scientist, joins Shirtloads to discuss his new book Togetherness - a challenge to the idea that nature is defined purely by competition. From the fig a... more

This conversation was originally recorded and published in November, 2024. In light of Richard's passing, we wanted to share it again because his insights remain as inspiring and relevant as ever. We extend our deepest condolences to his family, frie... more

YouTube

Dr. Ann Jones joins me to chat about her hilarious new What the Duck? series, Nature's Most Wanted, which dives into the wild world of criminal animals.

We investigate some of nature's strangest case files… a duck caught speeding (twice), drug-addi... more

Marine Ecologist Assoc. Professor Alex Campbell takes us into the wonderful, under-appreciated world of seaweed and makes the case that it might be one of our most powerful allies against climate change!

We dive into seaweed's evolutionary history ... more

YouTube

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Recent Guests

Nick Fuller
Weight-management researcher and clinician
University of Sydney / Charles Perkins Center
Episode: Why Weight Loss Drugs Don't Work On Their Own Dr. Nick Fuller (480)
Peter Lee
President of Microsoft Research for the entire universe (as introduced)
Microsoft Research
Episode: Inside Microsoft's Global Research Lab With Dr. Peter Lee (479)
Dietmar Müller
Professor of geophysics
University of Sydney
Episode: The (Not So) Boring Billion with Prof. Dietmar Müller (478)
Kovi Rose
Astrophysicist and PhD candidate at the University of Sydney
University of Sydney
Episode: Solving a Cosmic Radio Signal Mystery with Kovi Rose (477)
Professor Clare Collins
Professor (nutrition and public health) invited guest
University of Newcastle / University of Sydney
Episode: Coffee & Blood Pressure Explained with Prof. Clare Collins (476)
Clare Collins
Professor of Dietetics / Nutrition Scientist
University of Newcastle / Nutrition Society of Australia
Episode: The Hidden Health Benefits of Honey with Prof. Clare Collins (475)
Theresa Fruth
German physicist, experimental particle physicist
University of Sydney (LZ/Zeppelin-related experiments)
Episode: The Hunt for Dark Matter with Dr. Theresa Fruth (474)
Ollie Jay
Professor of Heat and Health at the University of Sydney; Director of the Heat and Health Research Centre
University of Sydney
Episode: The Human Cost of One Degree with Prof. Ollie Jay (473)
Emmanuel Stamatakis
Professor of physical activity and population health
University of Sydney
Episode: Incidental Exercise with Prof. Emmanuel Stamatakis (472)

Host

Dr Karl
Host of Shirtloads of Science (producing organization often listed as University of Sydney involvement).

Reviews

4.8 out of 5 stars from 1.2k ratings
  • Inkredible

    Greatest show of all time 🇦🇺

    Apple Podcasts
    5
    Squidkid🦑
    Australia2 months ago
  • Love your work Carl!

    One of the only podcasts I ever listen to, and for good reason! Carl has all the Lo pics down pat and explains them in very easy-to-understand ways. Would definitely recommend to anyone

    Apple Podcasts
    5
    no-one in particuluar
    Australia6 months ago
  • More STEM Please

    I love the STEM podcasts the most. But something here for everybody.

    Apple Podcasts
    5
    Robneedsacoffee
    Australiaa year ago
  • Would get 5 sars if

    If the audio level could be boosted about 20 dB, we hearing-impaired might learn a lot from this material.

    Apple Podcasts
    1
    iRichard1941
    United Statesa year ago
  • Bad

    👎👎👎👎👎👎

    Apple Podcasts
    1
    0.0🔪
    Australiaa year ago

Listeners Say

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

Informative and entertaining, with credible guests and thoughtful questions.
Clear, engaging science explanations that are accessible to all.
Consistently good science content with approachable host style.
Audio sometimes quiet for some listeners; otherwise high quality.
Great range of topics and excellent guests in STEM.

Chart Rankings

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

Talking Points

Recent interactions between the hosts and their guests.

Why Weight Loss Drugs Don't Work On Their Own Dr. Nick Fuller (480)
Q: How do sleep and circadian factors influence weight management?
Sleep deprivation increases hunger via hormones like ghrelin, elevating cravings for high-calorie foods and hindering physical activity, which undermines weight loss efforts.
Why Weight Loss Drugs Don't Work On Their Own Dr. Nick Fuller (480)
Q: What are the three pillars of a behavioral weight management program?
The pillars are information on what to eat, how to move, and getting good sleep, forming a comprehensive lifestyle approach alongside any medications.
The Rise In Nitrous Misuse with Assoc. Prof. Angela Chiew (463)
Q: Am I right or wrong?
The guest confirms that nitrous is not harmless and explains its true pharmacological effects and risks.
Coffee & Blood Pressure Explained with Prof. Clare Collins (476)
Q: Does long-term coffee consumption increase the risk of developing high blood pressure?
Across large cohorts, regular coffee drinking (up to several cups daily) was not associated with a higher risk of developing high blood pressure and may even be associated with a lower risk in some populations, though causality cannot be established from observational data.
Coffee & Blood Pressure Explained with Prof. Clare Collins (476)
Q: What is the range of the acute blood pressure spike after drinking a cup of coffee, and how long does it last?
In most people, the spike is modest—going from roughly 120/80 to around 123-135 systolic and 80-90 diastolic—and returns toward baseline within 30 minutes to two hours, depending on caffeine tolerance, baseline blood pressure, and genetics.

Audience Metrics

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

Listeners per Episode
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Frequently Asked Questions About Shirtloads of Science

What is Shirtloads of Science about and what kind of topics does it cover?

A highly accessible science talk show that brings expert guests across disciplines to explain complex topics in clear, engaging ways. Episodes often center on current research, big questions in physics, space, biology, health, and technology, paired with practical anecdotes and host-led explanations that make science feel approachable for curious listeners. Noteworthy features include a knack for translating technical ideas into everyday relevance, bold explorations of fringe or speculative concepts balanced by rigorous insights, and a consistent emphasis on informing, entertaining, and empowering a broad audience.

Listeners are likely drawn to enthusiastic science communication, value curiosity, and enjoy long-form conversations with rese... more

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Which podcasts are similar to Shirtloads of Science?

These podcasts share a similar audience with Shirtloads of Science:

1. Dr Karl Podcast
2. The Science Show
3. Science Friction
4. What The Duck?!
5. What's That Rash?

How many episodes of Shirtloads of Science are there?

Shirtloads of Science launched 10 years ago and published 470 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Shirtloads of Science?

Recent guests on Shirtloads of Science include:

1. Nick Fuller
2. Peter Lee
3. Dietmar Müller
4. Kovi Rose
5. Professor Clare Collins
6. Clare Collins
7. Theresa Fruth
8. Ollie Jay

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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