Flight simulator for moths reveals they navigate by starlight
We’d like to learn more about our listeners, please help us out by filling in this short survey.In this episode:00:45 The tiny moths that use the stars to navigateBogong moths use the stars to help them navigate during their enormous migration across Australia, according to new research. Every year, billions of these nocturnal moths travel up to 1,000 km to cool caves in the Australian Alps, despite having never been there before. By placing moths in a flight-simulator that also acted as a planetarium, the team behind the work showed that moths could use the bright Milky Way to help them fly in the correct direction.Research article: Dreyer et al.10:17 Research HighlightsNigeria's pangolins are under threat because their meat is delicious, and how the gravitational pull of other galaxies may prevent the Milky Way colliding with Andromeda.Research Highlight: Why pangolins are poached: they’re the tastiest animal aroundResearch Highlight: A long-predicted cosmic collision might not happen after all12:37 How humans expanded their habitats before migrating out of AfricaNew research suggests that shortly before modern humans successfully migrated out of Africa, they massively expanded the range of ecosystems they lived in. By combining climate modelling with data from archaeological sites across the African continent, researchers put forward evidence that 70,000 years ago, humans expanded the ecosystems they lived in to include diverse habitat types from forests to deserts. The authors suggest this ability to live in different places may have helped the later humans that migrated out of the continent around 50,000 years ago.Research article: Hallet et al.21:59 Briefing ChatBlowing bubble-rings could be humpback whales' way of trying to communicate with humans, and the research suggesting that everyone’s breathing pattern is unique.Science Alert: Humpback Whale Bubble Rings May Be an Attempt to Communicate With UsNature: How you breathe is like a fingerprint that can identify youSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.
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Hundreds of physicists on a remote island: we visit the ultimate quantum party
According to legend, physicist Werner Heisenberg formulated the mathematics behind quantum mechanics in 1925 while on a restorative trip to the remote North Sea island of Heligoland.To celebrate the centenary of this event, several hundred researchers have descended on the island to take part in a conference on all things quantum physics. Nature reporter Lizzie Gibney was also in attendance, and joined us to give an inside track on the meeting.News: Happy birthday quantum mechanics! I got a ticket to the ultimate physics party Hosted on Acast. See acast.com/privacy for more information.
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This stretchy neural implant grows with an axolotl's brain
00:45 A flexible neural-implant that grows with the brainResearchers have developed a soft electronic implant that can measure brain activity of amphibian embryos as they develop. Understanding the neural activity of developing brains is a key aim for neuroscientists, but conventional, rigid probes can damage growing brains. To overcome this, a team have developed a flexible mesh that stretches with the brain and tested it by monitoring single neuron activity during development of frog and axolotl embryos. More testing and ethical considerations will be required, but the researchers hope that eventually such implants could help with neurological conditions that affect humans.Research article: Sheng et al.13:11 Research HighlightsThe exoplanet slowly evaporating into space, and cockatoos that have figured out an innovative way to stay hydrated.Research Highlight: Solved: the mystery of the evaporating planetResearch Highlight: Clever cockatoos learn an easy way to quench their thirst15:30 An AI-based way to repair damaged paintingsBy combining AI tools with mechanical engineering techniques, a researcher has developed a new way to speed up the restoration of damaged paintings. The technique creates a removable mask that can be overlaid onto a painting to cover any damage apparent in the artwork. It was successfully tested on an oil painting, fixing a large number of damaged areas in only a few hours. This could offer a significant speed-boost to painting restoration, which can often take months, or even years.Research article: KachkineVideo: Meet the engineer who invented an AI-powered way to restore art27:36 Briefing ChatA new ranking system could make it easier to spot universities that are chasing publishing metrics at the expense of rigorous science, and evidence that cutting off rhinos’ horns deters poachers.Nature: ‘Integrity index’ flags universities with high retraction ratesAP: Cutting off rhinos’ horns is a contentious last resort to stop poaching. A new study found it worksSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.
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Trump wants to put humans on Mars: what scientists think of the plan
In this Podcast Extra, we examine President Donald Trump's calls for NASA to land humans on Mars. Although the White House has proposed spending some US$1 billion in 2026 on Mars plans, critics say the final cost will likely be hundreds of billions of dollars spread over a number of years.This call comes amidst plans to drastically reduce NASA's funding, and the proposed cancelling of dozens of the space agency's missions, including projects to study Earth, Mars and Venus.News: Trump wants to put humans on Mars — here’s what scientists thinkNews: Five key climate and space projects on Trump’s chopping blockNews: Are the Trump team’s actions affecting your research? How to contact Nature Hosted on Acast. See acast.com/privacy for more information.
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Male mice can grow female organs — if their mothers lack iron
00:45 Iron’s role in mice sex determinationIron deficiency in mice mothers can sometimes result in their offspring developing female sex organs despite having male sex genes, according to new research. While genetics has been thought to be the primary factor in determining offspring sex in mammals, the new work shows that a lack of iron disrupts an enzyme involved in the development of testes, leading to some mice with male sex-determining genes being born with female genitalia and ovaries. This suggests that sex determination is controlled by more than genetics, but more work will need to be done to understand the precise mechanisms involved.News: Male mice can grow ovaries if their pregnant mums are iron deficientResearch article: Okashita et al.06:31 Research HighlightsHow climate change is making dust storms more likely, and understanding the genetics of a boy who couldn’t feel pain.Research Highlight: The perfect storm for dust storms, thanks to global warmingResearch Highlight: CRISPR helps to show why a boy felt no pain08:51 The role of small-scale fishers in sustainabilityThe contributions that small-scale fishers make to sustainable fishing have been described as ‘invisible’, but now a huge research project has revealed the role this community plays in feeding populations and protecting oceans. Looking at data from 58 countries, researchers have shown that small-scale fishers account for around 40% of the global catch and feed approximately 25% of the world’s population. The people behind the initiative hope that these data can help give a voice to small-scale fishers as people look for ways to feed the world sustainably.Immersive : Small-scale fisheries19:44 Briefing ChatThe discovery of an ‘ambidextrous’ protein; and why humpback whales, despite their enormous eyes, appear to be shortsighted.Nature: Rare ‘ambidextrous’ protein breaks rules of handednessDiscover Magazine: Big Eyes, Blurry Vision: Why Humpback Whales Struggle to See ClearlySubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday. Hosted on Acast. See acast.com/privacy for more information.
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.
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