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Unexpected Elements

BBC World Service
Climate Change
Artificial Intelligence
Traffic
Covid-19
Antarctica
Ants
Dog Aging Project
COP28
Hurricane Melissa
Neighbours
Malaria
Black Worms
Loneliness
Space Shuttle
Weather Forecasting
Plankton
Grief
Wildfires
Vaccines
Cricket World Cup

The news you know, the science you don’t. Unexpected Elements looks beyond everyday narratives to discover a goldmine of scientific stories and connections from around the globe. From Afronauts, to why we argue, to a deep dive on animal lifespans: see the world in a new way.

PublishesWeeklyEpisodes341Founded13 years ago
Number of ListenersCategory
Science

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Artwork for Unexpected Elements

Latest Episodes

Vast swathes of Europe and Asia are experiencing drought conditions, thanks to relentless heatwaves and lack of rain.

This week, we find out why drought conditions could unexpectedly lead to an increase in water-borne disease.

Next up, we take a ... more

News of an Australian library book finally finding its way home 150 years after it was borrowed has the Unexpected Elements team thinking about things that get forgotten, filed away or simply turn up much later than expected.

We start with the story... more

As Europe experiences its first total solar eclipse in almost 30 years this week, Unexpected Elements investigates the surprising science that emerges when sunlight is blocked out.

We travel to the forests of Italy, where we investigate whether tre... more

The UK's Royal Society for the Protection of Birds has found that birdwatching is the second-fastest growing hobby amongst Gen Z with 750,000 of them regularly venturing into the outdoors to spot some of our feathered friends. Inspired by this new ap... 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.

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Recent Guests

Martin Woodward
Vice President of Developer Relations at GitHub
GitHub
Episode: Fashionably late
Annaliese Hodge
Doctoral researcher at the University of Plymouth
University of Plymouth
Episode: Light entertainment
Brooke Simmons
Professor of Astrophysics at Lancaster University
Lancaster University
Episode: Someone's always watching
Franziska Kohlt
Historian of Science at King's College London
King's College London
Episode: Down The Rabbit Hole
Elizabeth MacDougall-Shackleton
Professor/Canadians' expert on birdsong
Western University, Canada
Episode: Bald caps, sparrow raps and lightning claps
Paulo Bittencourt
Lecturer in Cardiff University, plant and water specialist
Cardiff University
Episode: Bald caps, sparrow raps and lightning claps
Steve Simpson
Professor of Marine Biology and Global Change
University of Bristol
Episode: A scientific odyssey
Rodrigo Medellín
Senior Professor of Ecology at the National Autonomous University of Mexico
Universidad Nacional Autónoma de México
Episode: Everyone needs a hero
Kelly Weinersmith
Biologist, writer and podcaster
Independent/University of Rice (as discussed)
Episode: Stuck in a cycle

Host

Marnie Chesterton
Host of Unexpected Elements

Reviews

4.5 out of 5 stars from 1.3k ratings
  • Love! Great tangents.

    Podcast Addict
    5
    bluestemowner
    7 months ago
  • Pls do this

    Can you pls do a K-pop demon hunters episode ty

    Apple Podcasts
    5
    Hananatet 29
    Australiaa year ago
  • Woman hour

    This should be a good program but with.altered narrative, very female view. I think woman’s hour around science with hint of anti men.

    Apple Podcasts
    2
    Tubbytum
    United Kingdoma year ago
  • Perfect!!

    Not to quick!!

    Apple Podcasts
    4
    Tobr13
    Italy2 years ago
  • Woman hour

    This should be a good program but as expected with. Most BBC let’s alter narrative, very female view. I think woman’s hour around science with hint of anti men

    Apple Podcasts
    2
    Tubbytum
    United Kingdom2 years ago

Listeners Say

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

Some listeners push back on perceived political slant in certain episodes.
Audience enjoys diverse international perspectives and expert guests.
Audio quality critique appears in several reviews; improvements are noted.
Positive feedback on the breadth of topics and accessible science storytelling.
High praise for panel dynamics and host banter when well balanced.

Chart Rankings

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

Apple Podcasts
#127
United States/Science
Apple Podcasts
#56
Canada/Science
Apple Podcasts
#62
United Kingdom/Science
Apple Podcasts
#36
Australia/Science
Apple Podcasts
#54
Italy/Science
Apple Podcasts
#14
New Zealand/Science

Talking Points

Recent interactions between the hosts and their guests.

Light entertainment
Q: Unexpected Elements, I was wondering if the blood pressure of astronauts in microgravity is different from their baseline on Earth.
There is a slight transient increase in blood pressure in the initial hours due to fluid shifts toward the head, with adaptation bringing it toward baseline after a few days; long-duration exposure may make it similar to or slightly lower than Earth baseline as the cardiovascular system adapts.
Down The Rabbit Hole
Q: What is Alice in Wonderland Syndrome and how is it connected to migraines?
AIWS is a neurological condition with perceptual distortions (e.g., micropsia, macropsia) that can accompany migraines, illustrating how brain interpretation of reality can be altered.
Dividing lines
Q: What is the blood-brain barrier and why is it considered a border.
It is a highly selective barrier that blocks many substances from entering the brain but allows essential nutrients to pass, and researchers are studying how to transport larger drugs across it using natural transport routes like the transferrin receptor.
Anyone for chips?
Q: Hi, I'm David from Cairns. Why does a short nap during the day disrupt sleep at night for some people but not others?
Napping reduces the homeostatic sleep pressure that builds during wakefulness, which can delay sleepiness at bedtime; however, people with underlying sleep issues may experience more disruption than others, depending on factors like sleep disorders or insufficient nighttime sleep.
The beautiful game
Q: Can you explain the eccrine vs apocrine sweat glands and why eccrine sweat is easier to work with for wearables?
Eccrine sweat glands are more widespread and produce a thinner, clearer sweat, making it easier to collect and analyze with wearable sensors; apocrine glands produce thicker, more chemically rich sweat and are mainly in armpits and genital areas, which makes sampling more challenging.

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 Unexpected Elements

What is Unexpected Elements about and what kind of topics does it cover?

A fast-moving, globally scoped science talk show that blends news-led biology, ecology, and space stories with lively guest banter. Episodes frequently connect everyday phenomena to broader scientific themes, from animal behavior and biodiversity to climate science and technology-enabled research. A standout is the multidisciplinary mix of researchers, journalists, and regional correspondents who bring fresh perspectives from around the world, often tying local insights to universal scientific questions. Listeners can expect approachable explanations of cutting-edge topics, narrative threads that tie disparate fields together, and a playful yet rigorous tone that makes complex science accessible. The show's openness to crowd input and diver... more

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Which podcasts are similar to Unexpected Elements?

These podcasts share a similar audience with Unexpected Elements:

1. CrowdScience
2. BBC Inside Science
3. Discovery
4. The Naked Scientists Podcast
5. Science Weekly

How many episodes of Unexpected Elements are there?

Unexpected Elements launched 13 years ago and published 341 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 Unexpected Elements?

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What guests have appeared on Unexpected Elements?

Recent guests on Unexpected Elements include:

1. Martin Woodward
2. Annaliese Hodge
3. Brooke Simmons
4. Franziska Kohlt
5. Elizabeth MacDougall-Shackleton
6. Paulo Bittencourt
7. Steve Simpson
8. Rodrigo Medellín

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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