Oxford Sparks Big Questions

Oxford Sparks
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Oxford Sparks Big Questions

'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.

  1. Why are we seeing the Northern Lights more often?

    9시간 전

    Why are we seeing the Northern Lights more often?

    Even if you’d never previously given much thought to the Northern Lights, chances are they were brought to your attention in 2024, when our social media feeds were set ablaze with beautiful images captured by awe-struck stargazers. Usually restricted to more northerly latitudes, this colourful natural phenomenon could be observed in the UK as far south as Cornwall. But why were we treated to this spectacle, and why now? Dr Carly Howett from the Department of Physics explains why we’re seeing the Northern Lights more often this year, and gives hope to those yet to catch a glimpse.

    13분
  2. Why track mistletoe?

    2024. 12. 11.

    Why track mistletoe?

    Mistletoe has long been associated with fertility, and even today, its presence hanging from the ceiling can prompt a few blushes. But, did you know, mistletoe is more than something beneath which to kiss at Christmas? It is actually a parasite, and has some rather peculiar biology behind it. We chat to mistletoe expert Ollie Spacey about what makes it so special, where you can spot it and - importantly - how you can get involved with his research through MistleGO!

    14분
  3. Why are birth rates falling in the UK?

    2024. 11. 27.

    Why are birth rates falling in the UK?

    Evolutionarily speaking, it makes sense to have a lot of children. At the very least, we might expect a population to replace itself, with each couple having an average of two children. However, this evolutionary logic is not mirrored by current data: birth rates are falling in the UK, with many people choosing to either have one child, or no children at all. We speak to evolutionary anthropologist Dr Paula Sheppard about the drivers, and consequences, of this observed trend.

    13분
  4. What is a wind drought?

    2024. 11. 13.

    What is a wind drought?

    Chances are, you didn't notice the week-long wind drought that the UK experienced towards the end of 2023. However, this period of low wind speeds, combined with a cold snap, drove up our energy prices - something that may have caught your attention. So, what exactly do we know about wind droughts, and how can we apply this knowledge to plan for the low-carbon energy systems of the future? We chat to Matthew Wright from Oxford's Department of Physics to find out.

    13분
  5. How do you sequence the genomes of 70,000 species?

    2024. 10. 30.

    How do you sequence the genomes of 70,000 species?

    Welcome back to the new series of the Oxford Sparks Big Questions Podcast! We are here to answer weird and wonderful questions about our world, with the help of science. And we’re starting with a very big question! How do you sequence the genomes of 70,000 species?   Dr Liam Crowley, from the Department of Biology, tells us about the ground-breaking Darwin Tree of Life project, which aims to sequence the genomes of over 70,000 species in Britain and Ireland. Discover the challenges and technological advances that make this monumental task possible, and explore the potential applications in fields like conservation genetics and evolutionary biology.   Tune in to find out how this project could revolutionise our understanding of biodiversity and the future of life on Earth!

    14분
  6. How do I keep my house cool without air conditioning?

    2024. 07. 17.

    How do I keep my house cool without air conditioning?

    Summer is here, and with heatwaves forecast, how do we keep our homes cool without relying on air conditioning?   In the UK, soaring summer temperatures can be brief but powerful. So, what can we do? Nicole Miranda, from the Department of Engineering, shares practical, energy-efficient and eco-friendly strategies to help you stay comfortable during the hot months. And yes, ice creams are encouraged!   This is the final episode of this season. We hope that you have enjoyed learning the science behind the many weird and wonderful aspects of our world. If you have a big question, get in touch and we will try to find you an answer in the next season.

    14분
  7. What time is it on the moon?

    2024. 07. 03.

    What time is it on the moon?

    Scientists are returning to the moon, but when they get there, what time is it? Dr Carly Howett from the Department of Physics explains the basics: what time is, and how we found a globalised way of understanding time zones so we can meet for a 3pm coffee or international video call, and everyone is in the right place at the right time. But how does that translate to space and why could the consequences of incorrect timekeeping be disastrous for space craft docking missions? If you want to get to grips with the weird and wonderful world of lunar time, then tune in to our latest podcast to find out more!

    15분
  8. How can origami help make energy?

    2024. 06. 19.

    How can origami help make energy?

    Discover how the ancient art of origami is revolutionising sustainable energy! Researcher Jingyi Yang, from the Department of Engineering Science, has loved origami since childhood. Now she’s channelling that passion to tackle engineering challenges. Using the intricate papercraft to develop clam-like models, Jinyi’s creative engineering may be the key to improving the efficiency of energy produced by the waves hitting the UK’s coastline.  Find out more about this imaginative approach to scientific discovery in this podcast!

    13분
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'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.

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    Oxford Sparks
  • 방송 연도
    2014년 - 2025년
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