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Quirks and Quarks

CBC
Climate Change
Biodiversity
Covid-19
Artificial Intelligence
Dark Matter
NASA
Artemis II
Trees
Plastic Pollution
Paleontology
Carbon Sequestration
Urban Heat Islands
Dog Science
Moon
Canada
Chimpanzees
Microplastics
Dark Energy
Boreal Forest
Carbon Emissions

CBC Radio's Quirks and Quarks covers the quirks of the expanding universe to the quarks within a single atom... and everything in between.

PublishesWeeklyEpisodes29Founded20 years ago
Number of ListenersCategories
ScienceEarth Sciences

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Artwork for Quirks and Quarks

Latest Episodes

Scientists recorded audio and video of 8 different kinds of rockfish living in the wild near British Columbia, and were surprised they could tell the species apart through their various grunts, pops and knocks, even though the fish are closely relate... more

In a study inspired by a field of dandelions, researchers wanted to know why, when you blow on a dandelion seed head, only the seeds closest to you take flight. They found that a dimple in the seed heads where the seed attaches is larger on one side ... more

On the morning of August 10, 2025, a landslide in a fjord along the southern Alaskan coast triggered a mega tsunami. It generated the second highest wave ever recorded that reached up to 481 metres above sea level. A new study suggests that catastrop... more

Cocaine and many other chemicals and drugs are found in many waterways, but especially around wastewater treatment plants. Scientists exposed wild juvenile Atlantic salmon to cocaine and its byproduct to see how it impacted their behaviour in the wil... more

Key Facts

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Recent Guests

Dr. Rodney Schmalz
Professor of Psychology at McEwen University
McEwen University
Episode: How dandelion seeds take flight, and more…
Dr. Nick Milono
Professor of Molecular and Cellular Biology
Harvard University
Episode: How dandelion seeds take flight, and more…
Jenna Shields
Ph.D. candidate in Applied Physics
Cornell University
Episode: How dandelion seeds take flight, and more…
Dr. Natalia Trejanova
Murray B. Sox Professor of Biomedical Engineering
Johns Hopkins University
Episode: How dandelion seeds take flight, and more…
Dr. Donald Johanson
American paleoanthropologist
Cleveland Museum of Natural History (historical interview)
Episode: How dandelion seeds take flight, and more…
Sally Aiken
Professor in Forest and Conservation Sciences
University of British Columbia
Episode: How dandelion seeds take flight, and more…
Dr. Gustavo Palacios
Professor of Microbiology, Icahn School of Medicine at Mount Sinai
Icahn School of Medicine at Mount Sinai
Episode: A CN Tower-sized mega tsunami, and more…
Hannah Griebling
PhD candidate, Animal Behavior and Cognition Lab, University of British Columbia
University of British Columbia
Episode: A CN Tower-sized mega tsunami, and more…
Elizabeth Preston
Science journalist and author
Boston-based journalist
Episode: A CN Tower-sized mega tsunami, and more…

Host

Bob McDonald
Host of the science program with CBC; long-time science communicator known for simplifying complex topics.

Reviews

4.7 out of 5 stars from 2.8k ratings
  • Great for beginners /and/ experts

    The first science radio program/podcast I listened to and after all these years still the best. A great magazine of the newest science news, presented by an interviewer who is both knowledgeable and able to draw out explanations that anyone can understand. Even my young kids love it.

    Bob Macdonald is a treasure.

    Apple Podcasts
    5
    prolepessa
    Canada23 days ago
  • Long time listener

    I’ve been listening for years. When the news bums me out, I enlist this podcast as my main source of “cool science news that doesn’t actually bum you out and actually helps promote feelings of excitement for the future”. Also, fun story. It’s podcasts like these that got me interested in science in the first place. I’m now in research, and I think about how impactful science communicators are; the ones that make learning accessible and fun. I hope they continue inspiring young people for years t... more

    Apple Podcasts
    5
    britt_diane
    Germany2 months ago
  • Bob is great

    Bob does a really good job of helping the story along and expanding on some of the more complex material. Interesting topics.

    Apple Podcasts
    5
    Kevint6221
    Canada3 months ago
  • Sciency Fun for Nerds

    Long time listener and still can’t get enough!

    Apple Podcasts
    5
    Speaking Truth to the Internet
    United States3 months ago
  • The GOLD STANDARD for Science Communicators

    No one does it better than Bob McDonald! I look forward to each episode and always learn something.

    Apple Podcasts
    5
    YGlen
    United States5 months ago

Listeners Say

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

High-quality production and a strong emphasis on curiosity and education.
Guests are consistently expert and engaging, with clear takeaways for listeners.
The host is an excellent explainer who makes science accessible and exciting.

Chart Rankings

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

Talking Points

Recent interactions between the hosts and their guests.

Cocaine in waterways makes salmon roam further, and more…
Q: How close would you say AI scientist systems are to matching human scientists in capability?
The line of work is moving rapidly, and current AI can perform the entire arc from idea generation to experimental design and even writing papers, but it is presently comparable to a first or second-year graduate student in depth and rigor, with the trend line pointing toward rapid improvement and potential near-term breakthroughs.
Moving beyond animal testing, and more…
Q: What does this say about the evolution of vocal learning and breathing control in marine mammals?
The findings suggest that the evolution of breathing control is tightly linked to vocal learning, with specialized brain pathways that enable learned calls and flexible communication, beyond what is seen in less vocal species like certain canids.
Moving beyond animal testing, and more…
Q: How did you study the brains to see how these seals vocalize and learn new sounds?
They used high-resolution imaging techniques developed for human brains to examine brains post-mortem, identifying multiple neural pathways that control vocalization and the presence of bypass connections in pinnipeds.
Moving beyond animal testing, and more…
Q: What made you want to look at what's driving the range of vocalizations in this group of marine mammals?
The researcher explained a background in graduate work and prior experimental observations with trained seals, leading to questions about how a few individuals could produce more flexible vocalizations, and how brain circuits support that capability.
Bonobo females bully the boys, and more…
Q: What was the key takeaway from the DART mission in terms of real-world applicability?
The data show that even a small momentum transfer, when accumulated over time, can measurably shift an asteroid's orbit, and the momentum enhancement parameter beta can be used to predict deflection effectiveness for different asteroid scenarios.

Audience Metrics

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

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Gender Skew
Location
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Age Range
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Frequently Asked Questions About Quirks and Quarks

What is Quirks and Quarks about and what kind of topics does it cover?

The show blends accessible explanations of current science with lively conversations that span biology, physics, space, climate, and the history of science. Episodes frequently pair host-led storytelling with expert guests—from university researchers to science journalists—to explore unusual phenomena, big questions about the cosmos, and practical implications for everyday life. Notable strengths include a wide topic range, a talent for making complex ideas relatable, and a track record of featuring archival material and archival science history to provide context. This approach helps listeners feel informed and inspired, whether they're casual science fans or professionals seeking clear, engaging explanations of cutting-edge research and i... more

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How many listeners does Quirks and Quarks get?

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Which podcasts are similar to Quirks and Quarks?

These podcasts share a similar audience with Quirks and Quarks:

1. Under the Influence with Terry O'Reilly
2. Ideas
3. White Coat, Black Art
4. The Debaters
5. The Sunday Magazine

How many episodes of Quirks and Quarks are there?

Quirks and Quarks launched 20 years ago and published 29 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 Quirks and Quarks?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

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What guests have appeared on Quirks and Quarks?

Recent guests on Quirks and Quarks include:

1. Dr. Rodney Schmalz
2. Dr. Nick Milono
3. Jenna Shields
4. Dr. Natalia Trejanova
5. Dr. Donald Johanson
6. Sally Aiken
7. Dr. Gustavo Palacios
8. Hannah Griebling

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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