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Naked Scientists, In Short Special Editions Podcast — Life Sciences
Naked Scientists, In Short Special Editions Podcast

Probing the weird, wacky and spectacular, the Naked Scientists Special Editions are special one-off scientific reports, investigations and interviews on cutting-edge topics by the Naked Scientists team.

Copyright: © The Naked Scientists

Latest Episodes:

EHT sheds light on M87 black hole Apr 15, 2019

Show notes

The multinational team behind the Event Horizon Telescope (EHT), which spans the Earth by linking dishes in 8 different countries, have revealed the first images of the supermassive black hole - that has a mass 6 billion times that of our Sun - sitting at the centre of galaxy Messier 87, fifty-five million light years from Earth. For the first time we can see what a black hole - or rather the space around a black hole - looks like. Speaking with Chris Smith to discuss how this was done and what it means, and to answer questions from the Naked Scientists audience, is Cambridge University... Like this podcast? Please help us by supporting the Naked Scientists

Renewable energy beats carbon capture technology Apr 15, 2019

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The Intergovernmental Panel on Climate Change (or IPCC) has recently issued a series of so-called "energy transition pathways". These are essentially routes that we as a society need to follow, in order to prevent global warming from exceeding the limit at which society cannot continue to function. All of these pathways rely on a technology known as "carbon capture", which would capture carbon dioxide from fossil fuel energy plants to prevent it from impacting the atmosphere. As a result, there has been a massive investment of money and resources in this technology. But, some new research from... Like this podcast? Please help us by supporting the Naked Scientists

A new look at an old star Apr 12, 2019

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Astronomers have used a new camera called the HiPERCAM to analyse a type of small, dim star that has proved elusive to standard cameras. The camera has allowed them to make detailed measurements of this cool subdwarf star 1500 light years away, and it's the first time they've been able to confirm the predicted model of this type of star. Ruby Osborn spoke to Dr Steven Parsons from the University of Sheffield about what makes this star so interesting, and how the HiPERCAM has helped them to study it. Like this podcast? Please help us by supporting the Naked Scientists

Exotic particle discovery from LHC Apr 02, 2019

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The Large Hadron Collider (LHC) is widely regarded as one of humanity's greatest scientific achievements. The 17 km long accelerator smashes particles together at high speeds, and looks at the products to search for new physics. So far we've learned a tonne about the smallest things in nature, such as quarks - which are tiny particles that make up the atoms that compose people, planets, stars, and everything else we can see. A few years ago, physicists discovered strange new particles known as pentaquarks. We knew they were made up of five quarks bound together, but their properties and... Like this podcast? Please help us by supporting the Naked Scientists

Low temperature catalysts reduce emissions Mar 31, 2019

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Catalytic converters are in car exhausts and convert toxic carbon monoxide into much less harmful carbon dioxide, as well as removing other pollutants. On a petrol car, they are the metal box you see just before the exhaust. Unfortunately, current catalytic converters don't work effectively at lower temperatures, usually only starting to work well when heated to about 200°C, once the vehicle has been running for a few minutes. This is what's known as the cold start problem and why the US Department of Energy have set a target to remove 90% of harmful emissions from exhausts below 150°C. A... Like this podcast? Please help us by supporting the Naked Scientists

Metamaterials solve equations Mar 29, 2019

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Ever wondered how to get the best wifi reception in your house, given all those floors and walls which can interrupt the signal? Where to position the router and signal boosters, then where people should use their devices to get the best reception? There are so many combinations, making it labour-intensive to move things around and try all the different positions! But complex scenarios like this can be modelled by mathematical equations. Not the six minus what equals four type of equation, really complex ones. Additionally, metamaterials are materials that have a structure that take their... Like this podcast? Please help us by supporting the Naked Scientists

Precision-injecting smart needle Mar 08, 2019

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Having an injection is an experience common to us all, and whether you are unfussed by them or they make you feel faint, the actual needle used is the same for everyone and highly standardised. But given different parts of the body are more difficult to inject than others, this is not ideal. Scientists at Harvard Medical School realised this problem and have set about creating a more adaptive solution that could lead to big changes in healthcare. Jack Tavener spoke to Jeff Karp, who co-authored the study, about the challenges his team faced... Like this podcast? Please help us by supporting the Naked Scientists

Creating cannabis chemicals in yeast Mar 06, 2019

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US scientists have engineered into yeast the genes needed to make the key chemicals in cannabis. To find out why and what's involved, Chris Smith looked at the paper with York University's Ian Graham, who wasn't involved in the project but has expertise in this area. We last spoke with him in 2015 when he uncovered the genes needed to perform a similar feat so yeast could make morphine. Like this podcast? Please help us by supporting the Naked Scientists

Climate impact of lab-grown meat Mar 01, 2019

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The agriculture sector is responsible for about 25% of global warming according to the Intergovernmental Panel on Climate Change, so rearing livestock for meat is a significant problem. When ruminant animals such as cows and sheep digest food they burp large amounts of methane, a greenhouse gas that causes climate change. And growing the crops they are fed adds even more greenhouse gases to the atmosphere. It is now possible to cultivate edible meat in a lab, rather than rearing livestock. And because of this, the new technique is often promoted as more environmentally friendly than having... Like this podcast? Please help us by supporting the Naked Scientists

How bacteria physically resist antibiotics Feb 25, 2019

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Antibiotic resistance is a growing problem that kills hundreds of thousands of people each year, from what should be preventable diseases. Up to date, scientists have been trying to figure out the reasons in each individual case, until now A group from McMaster University in Canada has published a paper which shows for the first time the two common physical characteristics of bacterial resistance to antibiotics. Mariana Campos has been talking to Maikel Rheinstadter, who explained what they did and how this could help in the development of new and improved medications. Like this podcast? Please help us by supporting the Naked Scientists

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