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PODCAST

Nature Podcast

Springer Nature Limited

The Nature Podcast brings you the best stories from the world of science each week. We cover everything from astronomy to zoology, highlighting the most exciting research from each issue of the Nature journal. We meet the scientists behind the results and provide in-depth analysis from Nature"s journalists and editors. Hosted on Acast. See acast.com/privacy for more information.

science

All Episodes

30:43

Can ageing be stopped? A biologist explains

Nature Podcast ·

2024/08/22

For millennia, humanity has obsessed about halting ageing and, ultimately, preventing death. Yet while advances in medicine and public-health have seen human life-expectancy more than double, our maximum lifespan stubbornly remains around 120 years.On the latest episode of Nature hits the books, Nobel laureate Venki Ramakrishnan joins us to discuss what scientists have learnt about the molecular processes underlying ageing, whether they can be prevented, and why the quest for longevity also needs to

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19:50

AI can't learn new things forever — an algorithm can...

Nature Podcast ·

2024/08/21

00:46 Old AIs can’t learn new tricksAn algorithm that reactivates dormant ‘neurons’ in deep learning based AIs could help them overcome their inability to learn new things and make future systems more flexible, research has shown. AIs based on deep learning struggle to learn how to tackle new tasks indefinitely, making them less adaptable to new situations. The reasons for this are unclear, but now a team has identified that ‘resetting’ parts of the neural networks underlying these systems can allow

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22:49

The mystery of Stonehenge's central stone unearthed

Nature Podcast ·

2024/08/14

00:48 The mystery of Stonehenge’s Altar StoneStonehenge’s central stone came from Northern Scotland, more than 600 miles away from the monument, according to a new analysis of its geochemistry. It is commonly accepted that many of the rocks that make up the iconic neolithic monument came from Wales, 150 miles from the site. Previously, it had been thought that a central stone, called the Altar Stone, had also come from this area, known as the Preseli Hills. The new work suggests that the ancient

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36:50

ChatGPT has a language problem — but science can fix it

Nature Podcast ·

2024/08/09

AIs built on Large Language Models have wowed by producing particularly fluent text. However, their ability to do this is limited in many languages. As the data and resources used to train a model in a specific language drops, so does the performance of the model, meaning that for some languages the AIs are effectively useless.Researchers are aware of this problem and are trying to find solutions, but the challenge extends far beyond just the technical, with moral and social questions to be

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26:09

Where weird plants thrive: aridity spurs diversity of...

Nature Podcast ·

2024/08/07

00:48 Plant trait diversity in drylandsA study reveals that, unexpectedly, plants display a greater diversity of traits in drier environments. Trait diversity is a measure of an organism's performance in an environment and can include things like the size of a plant or its photosynthetic rate. Whilst there are good data on this kind of diversity in temperate regions, an assessment of drylands has been lacking. The new study fills this knowledge gap and finds that, counter to a prevailing expectation

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32:37

How light-based computers could cut AI’s energy needs

Nature Podcast ·

2024/07/31

00:45 Increasing the energy efficiency of light-based computersComputer components based on specialised LEDs could reduce the energy consumption of power hungry AI systems, according to new research. AI chips with components that compute using light can run more efficiently than those using digital electronics, but these light-based systems typically use lasers that can be bulky and difficult to control. To overcome these obstacles, a team has developed a way to replace these lasers with LEDs, which

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23:04

Audio long read: Hope, despair and CRISPR — the race...

Nature Podcast ·

2024/07/26

In India, a group of researchers raced to develop a CRISPR-based genome editing therapy to save the life of a young woman with a rare neurodegenerative disease. Despite a valiant effort, the pace of research was ultimately too slow to save her life. While many are convinced that these therapies could offer hope to those with overlooked genetic conditions, it will likely take years to develop the techniques needed to quickly create bespoke treatments, something people in need don't have.This is an

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34:57

Rapid sepsis test identifies bacteria that spark...

Nature Podcast ·

2024/07/24

00:48 A rapid way to identify serious bacterial infectionsA newly-developed method that can rapidly identify the type of bacteria causing a blood-infection, and the correct antibiotics to treat it, could save clinicians time, and patient lives. Blood infections are serious, and can lead to the life-threatening condition sepsis, but conventional diagnostic methods can take days to identify the causes. This new method does away with some of the time-consuming steps, and the researchers behind it say

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28:21

The plastic that biodegrades in your home compost

Nature Podcast ·

2024/07/17

01:04 A gel to safely transport proteinsA gel that encases proteins could be a new way to safely transport medicines without requiring them to be kept cold, according to new research. To test it, the team behind the work posted themselves a protein suspended in this gel, showing that it was perfectly preserved and retained its activity, despite being dropped in transit and exposed to varying temperatures. The researchers hope this gel will help overcome the need to freeze protein-based medicines,

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27:21

Breastfeeding should break down mothers' bones —...

Nature Podcast ·

2024/07/10

00:45 In situ editing of the gut microbiomeResearchers have developed a method to directly edit the genes of specific bacteria in the guts of live mice, something that has previously been difficult to accomplish due to the complexity of this environment. The tool was able to edit over 90% of an E. coli strain colonising mice guts, with other work showing the tool could be used to edit genes in pathogenic bacterial species and strains. It is hoped that with further research this technique could be

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36:31

These frog 'saunas’ could help endangered species...

Nature Podcast ·

2024/07/03

00:47 Searching for dark matter in black holesResearchers have been scanning the skies looking for black holes that formed at the very beginning of the Universe — one place where elusive and mysterious dark matter is thought to be located. If these black holes did contain dark matter, they would be especially massive and so researchers would be able to see the bending of light as they pass in front of stars. Such events would be rare, so to find them researchers trawled through a decades-long

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15:04

Audio long read: How NASA astronauts are training to...

Nature Podcast ·

2024/06/28

In 2026, NASA aims to send humans back to the Moon's surface, as part of the Artemis III mission. In preparation, astronauts have been performing moonwalking simulations to ensure that they are able to make the most of their precious time on the lunar surface. In one dress rehearsal, a pair of astronauts took part in a training exercise in an Arizona volcanic field, working with a science team to practice doing geology work in difficult conditions designed to mimic some that will be experienced at

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17:31

Why ‘open source’ AIs could be anything but, the...

Nature Podcast ·

2024/06/26

00:31 How open are ‘open source’ AI systems?Many of the large language models powering AI systems are described as ‘open source’ but critics say this is a misnomer, with restricted access to code and training data preventing researchers from probing how these systems work. While the definition of open source in AI models is yet to be agreed, advocates say that ‘full’ openness is crucial in efforts to make AI accountable. New research has ranked the openness of different systems, showing that despite

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31:42

How do fish know where a sound comes from? Scientists...

Nature Podcast ·

2024/06/19

00:46 How light touches are sensed during sex150 years after they were discovered, researchers have identified how specific nerve-cell structures on the penis and clitoris are activated. While these structures, called Krause corpuscles, are similar to touch-activated corpuscles found on people’s fingers and hands, there was little known about how they work, or their role in sex. Working in mice, a team found that Krause corpuscles in both male and females were activated when exposed to low-frequency

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38:14

Hybrid working works: huge study reveals no drop in...

Nature Podcast ·

2024/06/12

00:48 Short-haul spaceflight's effect on the human body.A comprehensive suite of biomedical data, collected during the first all-civilian spaceflight, is helping researchers unpick the effects that being in orbit has on the human body. Analysis of data collected from the crew of SpaceX’s Inspiration4 mission reveals that short duration spaceflight can result in physiological changes similar to those seen on longer spaceflights. These changes included things like alterations in immune-cell function

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27:54

Twitter suspended 70,000 accounts after the Capitol...

Nature Podcast ·

2024/06/05

In this episode:00:46 Making a molecular Bose-Einstein condensateFor the first time, researchers have coaxed molecules into a bizarre form of matter called a Bose-Einstein condensate, in which they all act in a single gigantic quantum state. While condensates have been made using atoms for decades, the complex interactions of molecules have prevented them from being cooled into this state. Now, a team has successfully made a Bose-Einstein condensate using molecules made of caesium and sodium atoms,

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23:19

How AI could improve robotics, the cockroach’s...

Nature Podcast ·

2024/05/29

In this episode:00:25 What the rise of AI language models means for robotsCompanies are melding artificial intelligence with robotics, in an effort to catapult both to new heights. They hope that by incorporating the algorithms that power chatbots it will give robots more common-sense knowledge and let them tackle a wide range of tasks. However, while impressive demonstrations of AI-powered robots exist, many researchers say there is a long road to actual deployment, and that safety and reliability

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36:57

How mathematician Freeman Hrabowski opened doors for...

Nature Podcast ·

2024/05/28

Growing up in Alabama in the 1960s, mathematician Freeman Hrabowski was moved to join the civil rights moment after hearing Martin Luther King Jr speak. Even as a child, he saw the desperate need to make change. He would go on to do just that — at the University of Maryland Baltimore County, where he co-founded the Meyerhoff Scholars Program, one of the leading pathways to success for Black students in STEM subjects in the United States.Freeman is the subject of the first in a new series of Q&As

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17:41

Audio long read: How does ChatGPT ‘think’? Psychology...

Nature Podcast ·

2024/05/24

AIs are often described as 'black boxes' with researchers unable to to figure out how they 'think'. To better understand these often inscrutable systems, some scientists are borrowing from psychology and neuroscience to design tools to reverse-engineer them, which they hope will lead to the design of safer, more efficient AIs.This is an audio version of our Feature: How does ChatGPT ‘think’? Psychology and neuroscience crack open AI large language models Hosted on Acast. See acast.com/privacy for

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20:23

Fentanyl addiction: the brain pathways behind the...

Nature Podcast ·

2024/05/22

00:45 The neuroscience of fentanyl addictionResearch in mice has shown that fentanyl addiction is the result of two brain circuits working in tandem, rather than a single neural pathway as had been previously thought. One circuit underlies the positive feelings this powerful drug elicits, which the other was responsible for the intense withdrawal when it is taken away. Opioid addiction leads to tens of thousands of deaths each year, and the team hopes that this work will help in the development of

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