Unexpected Elements

49:30

Rogue Agents

Unexpected Elements ·

2026/10/02

This week’s news of an AI agent managing to hack into an Australian government website has the Unexpected Elements team exploring the sneaky science of infiltration.Marnie Chesterton is joined by science journalists Paul Adepoju and Andrada Fiscutean to discover how South African drongo birds have developed an ingenious technique to protect their nest from cuckoo eggs, and to hear about the unusual approach being developed to help get eyedrops past the body’s immune system so they can reach the

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49:31

An identity crisis

Unexpected Elements ·

2026/09/25

When a NATO fighter jet was sent to investigate what appeared to be a suspicious drone near Vilnius airport, the culprit turned out to be something rather less threatening: a flock of birds. Inspired by this case of mistaken identity, the Unexpected Elements team explores the science of getting things wrong. We discover why our brains are so eager to spot faces in everyday objects, from clouds to power sockets, and hear how this tendency may have evolved as a shortcut for detecting friends and foes

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49:31

A distorted view

Unexpected Elements ·

2026/09/18

With the United Nations encouraging wider use of the Equal Earth map, a projection designed to better represent the true size of Earth's landmasses, the Unexpected Elements team have been thinking about distortion and the surprising new ways we can see the world and beyond. We discover that every city's subway system has its own unique microbial fingerprint, so distinctive that researchers can identify a location from a simple swab. Then we meet the black-capped chickadee, a tiny bird whose

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49:31

The phizz-whizzing science of Roald Dahl

Unexpected Elements ·

2026/09/11

Roald Dahl Day is celebrated each year on 13 September. Dahl gave us much-loved children’s books like Matilda, The BFG and Charlie and the Chocolate Factory, which have captivated kids for generations.Dahl is also a controversial figure, and made anti-semitic remarks that his family have since apologised for. We explore the separation of art and artist, and go looking for the science hidden in Dahl’s fantastical stories.We find out about the scientists brewing up chocolate – not in a factory, but in

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49:31

The show must go on

Unexpected Elements ·

2026/09/04

The 80th birthday celebrations of the late, great Queen frontman Freddie Mercury have us marvelling at mercury at an elemental level: as a killer, a cure and more.First, we hear about how to make a telescope mirror out of a spinning bowl of liquid mercury. Then we hear about killer queens; it’s a gruesome tale of pheromone-induced ant warfare.Next, Freddie’s rare condition that caused him to have four extra incisors in his upper jaw leads us to discuss the secrets hidden within our teeth. We’re

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49:30

A very dry episode

Unexpected Elements ·

2026/08/28

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 trip to Lake Malawi to discover why a tiny fly could help us rewrite the science of insects. Also on the show, we’re joined by Professor Dan Parsons from Loughborough University in the UK, who tells us about the rivers that lurk beneath the sea. Elsewhere,

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49:31

Fashionably late

Unexpected Elements ·

2026/08/21

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 of a meteorite from Mars that spent millions of years travelling through space before ending up in a university drawer. Then, we investigate why scientists believe California may be centuries overdue for a massive earthquake known as "The Big One".Next,

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49:30

Light entertainment

Unexpected Elements ·

2026/08/14

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 trees can communicate their eclipse plans to each other. We learn about an ambitious scientific plan to launch a wall of bubbles the size of Brazil into outer space. And we contemplate whether astronauts will ever need to take rice cookers the moon. Also on

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49:30

Someone's always watching

Unexpected Elements ·

2026/08/07

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 appreciation for an old pastime, the Unexpected Elements team are on the lookout for some birdwatching science. First, we watch birds, but did you know they watch us back? We hear how crows don't just hold grudges; they also pass on those grudges to their

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49:30

Down The Rabbit Hole

Unexpected Elements ·

2026/07/31

75 years ago, Walt Disney's Alice in Wonderland hit our screens, welcoming us into a technicolour, topsy-turvy world of eccentric characters – including the Mad Hatter, the Cheshire Cat, the Queen of Hearts, the White Rabbit and many more.On Unexpected Elements, we're tumbling down the rabbit hole to uncover the strange and surprising science hidden within the classic story.We’ll find out how bizzarro land of Lewis Carroll's original novel was inspired by the real scientific discoveries of his time

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49:30

Bald caps, sparrow raps and lightning claps

Unexpected Elements ·

2026/07/24

If you were lucky enough to be at rapper Pitbull's recent concert in Hyde Park in London, you would have been greeted by a sea of bald caps. A Guiness World record-breaking sea of 22,141 bald caps. And, in honour of this incredible feat, the Unexpected Elements team are exploring some science.First, is hair the secret to healing? We find out why trading fur for sweat may have had unexpected consequences. Then, we learn all about ball lightning – real life fireballs that, despite first being sighted

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50:00

A scientific odyssey

Unexpected Elements ·

2026/07/17

As the film adaptation of the Odyssey bursts onto screens around the world this week, here at Unexpected Elements we’re undertaking our own epic journey through science – all inspired by the ancient Greek epic.First, we discover the tiny virus that’s using its own Trojan Horse to sneak into cells it wouldn’t usually be able to infect. Then, we hear about the daring 8000km voyage undertaken by iguanas 30 million years ago.Next, we’re joined by Professor Steve Simpson from the University of Bristol in

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49:30

Everyone needs a hero

Unexpected Elements ·

2026/07/10

A mysterious vigilante in Mexico nicknamed “Batman” has inspired the Unexpected Elements team to investigate the science of superheroes.First up, we explore whether a Batman’s presence can actually change human behaviour. One unusual psychology experiment suggests that people may be more likely to perform acts of kindness when a caped crusader appears nearby. Then we discover a real human superpower: echolocation. Used by bats and many other animals, it turns out humans can learn to navigate the

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49:30

Stuck in a cycle

Unexpected Elements ·

2026/07/03

Pakistan has recently announced that they plan to abolish the 18% sales tax on menstrual products like pads or tampons. UN Women has welcomed the decision, saying that when these products become more affordable it means more girls and women stay in school and the workforce. For the Unexpected Elements team, the news has led us towards scientific stories of menstruation and different kinds of cycles. First up, a look at how the menstrual cycle affects drugs reaching the brain and an exploration of

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49:29

Dividing lines

Unexpected Elements ·

2026/06/26

This week South Korea announced they will be adjusting the Civilian Controlled Zone that borders the demilitarised area between North and South Korea. The reshuffle will allow thousands of civilians to be able to move with more freedoms, but for the Unexpected Elements team, it’s sparked a conversation about scientific borders, boundaries, lines and barriers. First up, a look at the Wallace Line, an obscure ecological border in Indonesia that marks the boundary between Asian tigers and Australian

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49:30

Anyone for chips?

Unexpected Elements ·

2026/06/19

The spiralling cost and short supply of microchips – something the tech journalists have dubbed ‘RAMageddon’ – has the Unexpected Elements team investigating all things chip-related. We start things off by finding out about a mini cervix-on-a-chip and how this could help us better understand premature birth. We then feel a little salty when we discover that chips (also known as fries) may create cancer-causing acrylamides when cooked. Should we be worried?Next up, Professor Paul Graham from the

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49:30

The beautiful game

Unexpected Elements ·

2026/06/12

As the Fifa Men’s World Cup kicks off this week in the United States, Mexico, and Canada, football fever is everywhere – and this has the Unexpected Elements team exploring all things football.First, we discover how it took eight years and 170 experiments for scientists to create the perfect grass pitch. Then, why a football is not really a ball… it’s a truncated icosahedron. We discuss how this shape revolutionised not only the beautiful game, but nanotechnology too.Then, what secrets can your

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51:37

Science bears fruit

Unexpected Elements ·

2026/06/05

Long live the king – of mangoes! In India the famed ‘king of mangoes’, the Alphonso mango, is in drastically short supply after a particularly bad bout of adverse weather. Inspired by the mango’s plight, the Unexpected Elements team takes a look at what fruit science can bear.First, from the ‘king of mangoes’ to the ‘king of fruits’, we hear how the infamously stinky durian could be used to charge your phone. Then, an evil lemon planet. We discuss the planet so bizarre it sounds like it belongs in a

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49:30

Celebrating science on Africa Day

Unexpected Elements ·

2026/05/29

How do you translate the latest science work across the 2000 different languages spoken around the African continent? And have you heard of sky mountain? Africa Day has the Unexpected Elements team taking a deep dive into a range of unexpected stories from across the continent.The day is celebrated every year to mark the establishment of the African Union in 1963. In the Turkana region of northern Kenya, we learn about a team of geologists who have been studying continental break-up. Researchers

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49:30

Unexpected Enhancements

Unexpected Elements ·

2026/05/22

Have you ever wondered what happen to salmon when too much cocaine seeps into their rivers? This week the Enhanced Games have the team looking at unexpected areas of performance enhancement. Peptides are making a splash in influencer circles, but what is the science?Plus, we hear from Professor David Putrino, who is making sure the athletes at the Enhanced Games are staying safe. He shares what we can learn from the Games – and how the data could help develop future medicines. Also on the show,

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