Oxford Sparks Big Questions
By Oxford Sparks
'Will my bacon sandwich kill me?', 'Is vaping better than smoking?', 'How do you become an astronaut?' - just some of the Big Questions we ask some of the brightest minds behind Oxford science. Join us in each podcast as we explore a different area of science.
Latest episode
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How does Ozempic actually work?
Whether you've been served an advert for it, or just heard about it in the media, it's likely that 'Ozempic' isn't a totally unfamiliar word. Now often associated with weight-loss, Ozempic is actually the brand name for a drug used to treat diabetes.… -
Why does a stranger's phone noise annoy me?
We've all been there...you're on the train, maybe tired after a long day, and all you can hear is one side of a fellow passenger's not-too-interesting phone conversation. Or worse, their choice of music, made tinny and monotonous by the awkward angle… -
What's the origin of water on Earth?
With more than 70% of its surface covered in water, Earth is rightly known as the "blue planet". But where did this water - so essential to life - originate? While some theories suggest that hydrogen was delivered to Earth from space via asteroids,..… -
How can robots investigate underwater volcanoes?
What do you do when the subject of your research lies deep beneath the waves? Send down an underwater robot, of course! We chat to volcanologist Sofia Della Sala about her recent fieldwork expedition to Santorini, where she used a Remotely Operated..… -
What is it like to be on Countdown?
"I still don't believe it happened..." What's it like to face the most famous clock on television? We chat to Oxford mathematician Dr Tom Crawford - best known as the creator of the award-winning 'Tom Rocks Maths' outreach programme - about what it..… -
What happens after a dementia diagnosis?
One in two people will be affected by dementia in their lifetime - whether that is as a patient, or somebody caring for a loved one. But what happens after a dementia diagnosis? Is there a clear pathway ahead? We chat to Jasmine Blane, a DPhil... -
Is it OK to laugh at Tourette's?
In popular culture, Tourette's syndrome is wrongly associated solely with outbursts of swearing in the context of lazy jokes. But in reality, the condition is far more complex than this stereotype suggests. When people without Tourette’s jokingly... -
What is a dinosaur highway?
If you were hunting for some fossilised dinosaur footprints, where would you go? To a remote part of North or South America, perhaps? A deserted wilderness for sure... But how about Oxfordshire? We chat to Dr Duncan Murdock from the Oxford University… -
How horny are hedgehogs?
Shh...hedgehog! It always feels like a privilege to catch a glimpse of one, as it snuffles away under the garden fence. And come the spring, our spiny - and usually solitary - little friends will be feeling in the mood for...romance. But what exactly… -
What can batteries of the future learn from eels?
Electric eels are pretty amazing creatures. Their bodies can release powerful electric charges - in some cases reaching 650 volts! So, what can scientists learn from these animals? Could nature hold the key to advancing our own energy solutions? We..…
