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Kliv in i en oändlig värld av stories

Lyssna när som helst, var som helst

BBC World Service


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.


Unexpected Elements

K-pop fans in Taiwan have been turning to the God of love in the hope it will boost their luck in getting concert tickets. It got the Unexpected Elements team thinking, are some people just lucky? 

First, we look at how music resonates in the brain and why listening to it live can feel more emotional. Also, can we measure how lucky we are? We look at a possible formula, and how you can increase your chances of striking on a lucky event. 

We’re then joined by Professor of Marketing Marco Bertini, who explains the wild west of dynamic pricing and gives us some tips and tricks along the way. Plus we hear about Kenya’s ambitious plans to integrate traditional medicine into its health system.

And finally, why we dance when we pee and the Great British art of queuing. That’s all on this week’s Unexpected Elements. 

Presenter: Marnie Chesterton, with Phillys Mwatee and Imaan Moin
Producers: Margaret Sessa-Hawkins, with Ella Hubber, Lucy Davies, Imy Harper and Tim Dodd

Are you lucky?

The Winter Olympics has the Unexpected Elements team looking into some of the incredible science behind the sports. First up, the tale of India’s lone luge pilot: how did using old train tracks as sled runners give him a competitive edge? Then, we look at the physics behind a cheating scandal that has rocked the ski jumping world. Scientific studies tell us exactly how much difference changing a single stitch in a costume can make. 

Did you know there are different types of ice? Professor Christoph Salzmann has discovered three of them, and tells us what makes them unique. Plus dinosaurs, disease, and whether we laugh with an accent. All on this week’s Unexpected Elements. 

Presenter: Marnie Chesterton, with Chhavi Sachdev and Tristan Ahtone 
Producers: Margaret Sessa-Hawkins, with Lucy Davies, Imy Harper and Tim Dodd

Let the games begin

Are You Dead?

That’s the name of an app that’s gone massively viral in China. Every two days, you click a green button to confirm you’re alive and well – but if you miss it, an emergency contact is alerted.

The app is aimed towards those who live alone, so it’s got us contemplating the science of connection and loneliness. First, we take a look at the most isolated trees on Earth and how they act as important recorders of history. We also discuss NASA’s space probe Voyager 1, and how we can connect with a device that’s 25 billion kilometres away from us.

We’re joined by glaciologist Liz Morris, who shares what it was like to do research far from civilisation, in Antarctica. 

Then we reunite with a species that we thought was lost for ever, and answer an important question: just how big can spiders get?

All that, plus many more Unexpected Elements.

Presenter: Marnie Chesterton, with Candice Bailey and Ogechi Ekeanyanwu 
Producers: Ella Hubber, with Lucy Davies, Imy Harper, Tim Dodd, Sophie Ormiston and Margaret Sessa-Hawkins

Are you still with us?

After the leaders of Japan and South Korea ended their summit with the two participating in a drumming duet, we’re marching to the beat of our own drum and exploring some rhythmic science.

First, we look at nature’s drummer, the woodpecker, and why their pecking doesn’t give them a concussion. We also discuss how the rhythm of your brain waves impacts your sense of ownership over your own body.

Then, we’re joined by Daniel Levitin, author of Music as Medicine, who tells us all about using rhythm in the treatment of neurological conditions. 

Next, we hear about a new claim to the title of the world’s oldest computer, and how flying affects your body’s natural rhythms.

All that, plus many more Unexpected Elements. 

Presenter: Anand Jagatia, with Sandy Ong and Edd Gent
Producers: Sophie Ormiston, with Ella Hubber, Lucy Davies and Imy Harper

Banging the science drum

This week the Unexpected Elements team has travelled Down Under to sunny Sydney where we discover some wonderfully Australian science with the help of some wonderfully Australian panellists. 

First, we discuss the surprising American origins of Australia’s iconic marsupials and Marnie gets up close and personal with Pez the Tasmanian Devil. 

We also talk to Andy Flies from the University of Tasmania who is working on a vaccine to combat a deadly contagious cancer spreading through Australia’s Devil population. 

Next, we’re joined by Susan Sawyer from the University of Melbourne as we delve into the debate surrounding Australia’s social media ban for under 16-year-olds. Are the kids alright? Plus, we find out about the tree that seems to be adding fuel to the country’s recent wildfires. 

All that, plus many more Unexpected Elements. 

Presenter: Marnie Chesterton, with Katie Silver and Jonathan Webb 
Producers: Margaret Sessa-Hawkins, with Ella Hubber, Sophie Ormiston and Lucy Davies

Science down under

We take a look at some exciting science of the near future. First, the latest developments in animal-to-human organ transplants and the ambitious goals of eliminating cervical cancer around the world.

We are then joined by plasma physicist Dr Fatima Ebrahimi from the Princeton Plasma Physics Laboratory, who breaks down the mysteries behind nuclear fusion energy and how ambitious scientists are trying to channel the power of the Sun on Earth, in the hope of creating a massive source of clean energy. 

Next, we investigate what blue-light-blocking glasses can do and consider what future scientists will think of the fossils of our civilisation! 

Presenter: Caroline Steel, with Phillys Mwatee and Edd Gent 
Producer: Imaan Moin

Science of the future

We revisit our listeners’ favourite topics and dig deeper in this special programme.

First, we hear from some of our insomniac listeners and explore how we fall asleep with neuroscientist Dr Ada Eban-Rothschild from the University of Michigan.

Next, we return to our favourite food facts with a small surprise for one of the presenters.

Then, we put our knowledge to the test with extra quizzes and examine the randomness of multiple-choice questions.

Finally, we’re joined by Dr Alyn Euritt to discuss the importance of connection, especially between Marnie, Caroline and all the loyal listeners of the show.

All that, plus many more Unexpected Elements. 

Presenters: Caroline Steel and Marnie Chesterton
Producers: Imaan Moin, with Margaret Sessa-Hawkins and Lucy Davies

An episode inspired by our listeners

This Boxing Day and holiday season, our present to you is the science of gifts.

First, we investigate the health benefits of donating blood, and find out about the predator sharing a feast of food in the Arctic.

We’re then joined in the studio by physicist Dr Krishma Singal from Rice University, who unravels the soft-matter physics and brilliant engineering potential of knitting.

Next, we discuss the reputation of piranhas, enquire about the uniqueness of our sneezes, and break down how salting roads makes them safer in the winter. 

All that, plus many more Unexpected Elements.

Presenter: Alex Lathbridge, with Camilla Mota and Meral Jamal
Producer: Imaan Moin

The gift of science

The end of Australian soap opera Neighbours has us wondering why a television series ending makes us sad. Also, what does science say about how to engage with screens while still protecting your vision?

Also on the show, visual ecologist Daniel Hanley has created a camera to help us visualize the world animals see, and why are there green birds, green insects, but no green mammals?

All that plus more Unexpected Elements.

Presenter: Marnie Chesterton
Producers: Margaret Sessa-Hawkins, Alice Lipscombe-Southwell, and Ella Hubber

Why are we sad when television series end?

Over the Christmas season, it is estimated that some 3.6 million families in Japan will tuck into KFC over Christmas (other fried chicken is available), which inspired the Unexpected Elements team to chew over all things chicken! 

First, we discover that chicken may never have become domesticated if it wasn’t for rice farming. We also ponder whether the chicken or the egg came first. Next, we find out that humans are surprisingly smart at translating chicken chatter. 

We are by Dr Jingmai O’Connor, associate curator of fossil reptiles at the Field Museum of Natural History, who reveals more about the links between dinosaurs and birds. 

Plus, how Brazil became a poultry superpower, and what happens to chickens in tornadoes.

Presenter: Marnie Chesterton, with Camilla Mota and Godfred Boafo
Producers: Alice Lipscombe-Southwell, with Sophie Ormiston, Ella Hubber and Robbie Wojciechowski

Chicken, with a side order of science

Europe has a new entry/exit system based on biometric data. But what exactly is the science behind biometric data, how can we ensure it’s used responsibly, and can it be cracked?

We also look at how some animals use dung as biometric data with Dr. Adrian Shrader, how your walk can be used to ID you from Professor Mark Nixon, and why gold has its own special measurement. All that plus many more Unexpected Elements.

Presenter: Marnie Chesterton
Producers: Margaret Sessa-Hawkins with Lucy Davies and Robbie Wojciechowski

How does biometric data work?

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