Avsnitt

  • Episode 284
    Creating disease-resistant humans may before too long be a reality thanks to advancements in CRISPR gene editing. It’s now possible to make dozens - if not hundreds - of edits to different genes at once. As the field progresses rapidly, a controversial paper published in Nature explores just how powerful this technology could be in protecting against diseases like Alzheimer’s and diabetes. But how safe is gene-editing? The paper has been criticised amid safety and ethical concerns, as well as the danger this could give rise to eugenics and designer babies.
    A person in Louisiana has died from bird flu, the first known death related to the H5N1 virus in the United States. Alarms are now being raised that bird flu could mutate and lead to another covid-like pandemic. The virus has evolved to infect many species of mammals, most recently dairy cows. But given we’ve been aware of this disease for decades and have stockpiled vaccines, what are the real concerns here? Hear from experts Meghan Davis and Andy Pekosz from Johns Hopkins University.
    Italian physicists have been working on an extremely important question related to…pasta. While working in Germany, Ivan Di Terlizzi and Giacomo Bartolucci became frustrated that they couldn’t perfectly recreate one of their favourite pasta meals - cacio e pepe. Thankfully, using their knowledge of phase behaviour, they figured out what was going on…in incredible detail. And bizarrely they suggest the finding may have implications for our understanding of the origins of life.
    Hosts Rowan Hooper and Penny Sarchet discuss with guests Michael Le Page and Grace Wade.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 283
    On this special episode of the podcast, we set you up for the year ahead. 2025 has been declared the year of humanoid robots. Futuristic robots that look like us are already being rolled out by companies like BMW and Tesla - and production is set to ramp up. One company is even planning to create an army of 10,000 warehouse robots called Digit.
    We’re going to see big changes in the food industry too, as the US is set to approve CRISPR gene editing for pigs. The idea is to create elite livestock that are less prone to illness and can feed more people. Bananas are having their genes edited too, so they can fight off a major fungal disease that’s spreading around the world. And new types of butter, chocolate and ice cream are being made without the help of agriculture, just microbes.
    Ozempic is showing surprising promise in the fight against Alzheimer’s. Based on a growing body of evidence, two big trials are looking into this unlikely connection and are set to conclude in 2025. If the results are positive, this could be a real breakthrough for the treatment of the disease.
    Geoengineering is picking up, with more research and financing going towards plans to artificially cool the planet. Many methods are being explored, but one major area of interest this year is solar geoengineering, with the world’s largest conference on the subject set to take place in South Africa in May.
    COP30 arrives this year and after the blowout that was COP29, tensions are high and motivation is low. With the US set to pull out of the Paris Agreement, will we be able to move forward on climate action, or will we be dragged backwards?
    And it’s been more than 20 years since the last flight of Concorde, a supersonic commercial plane which failed for multiple reasons - one of those being just how loud it was. Now, in 2025, NASA is trying to fix that problem by creating a quiet supersonic plane, with other companies following suit. Will we go supersonic again this year?
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 282
    Looking back at some of the best stories New Scientist has published in 2024, this episode is a treasure trove of knowledge that will serve you well over the holiday season. Rowan Hooper hosts a panel of New Scientist journalists, as they take it in turn to highlight their favourite moments from the year.
    Head of features Josh Howgego kicks off by looking at the race to find an amazing and strange form of hydrogen, known as ‘gold hydrogen’ - a game-changer for sustainability which may be more abundant than we first realised. He also discusses the mystery of kimberlites, supersonic volcanoes that spew diamonds which went extinct millions of years ago.
    Alison George takes on the story of Thorin the neanderthal, whose remains are shedding light on how the ancient species died out - and surprisingly, it may not have been our fault. She also explores the new science of tinnitus and how it might help us cure hearing loss one day.
    Thomas Lewton looks at some mad physics stories from the year, including an unnerving idea that a quantum fluctuation involving the Higgs boson could cause the universe to vanish at any moment. They also explore an old theory that quantum effects explain consciousness, which has been revived thanks to new research into anaesthetics and brain organoids.
    And Linda Rodriguez-McRobbie throws some nuance into the discussion about screen-time, something often blamed for the current youth mental health crisis - and why it might not be all bad. She also explains how researchers this year were able to reanimate a pig’s brain, four hours after it was separated from its body, upending our concept of death.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 281
    In this special episode recorded live at the Science Museum in London, we celebrate some of the best, most awe-inspiring science stories of 2024. 
    Round one kicks off with the panelist’s stories of the year, including the discovery that thousand-year-old preserved brains are much easier to find than we realised, that metallic nodules found on the sea floor could be acting as “geobatteries”, creating oxygen in the deep sea, plus a surprising finding involving Dyson Spheres that may hint at the existence of advanced alien life.
    In round two the panelists discuss their cultural highlights of the year. On the line up is an installation in London called ‘Breathing with the Forest’, a time-travel novel called ‘The Other Valley’, the stage show reimagining of ‘Dr Stangelove’ and an absurdist comedy about climate diplomacy called ‘Rumours’.
    Round three is a quiz for the audience asking questions like, do warm drinks taste more alcoholic than cold ones? What animal can be added to milk to initiate the yoghurt-making fermentation process? And which animal can survive with almost no sleep? 
    And round four celebrates stories that will make you say “Wow!”, plus a moment of good cheer. These include flowers that can sequester nickel and be turned into metal, how brains and other body parts can be brought back from the dead, the discovery of the world’s largest coral reef and the invention of a hospital for fungal-infected frogs.
    On the panel are Rowan Hooper, Catherine de Lange, Sam Wong and Madeleine Cuff.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 280
    Google claims it has pulled ahead in the race for quantum supremacy. Its new Willow chip has completed a task in 5 minutes that a classical computer would take 10 septillion years to complete. But the biggest breakthrough is how it excels in error correction. Find out what this means and why some scientists believe this new quantum computer proves the existence of the multiverse.
    Data from one of the world’s largest collections of brain scans is shedding new light on how to keep our brains young. Analysing scans from the UK Biobank project, scientists have identified 13 proteins that are responsible for how quickly or slowly your brain ages. But research on how to target these proteins is still ongoing. For now, the team reveals 8 science-backed ways you can keep your brain young and boost longevity right now.
    Get the New Scientist Christmas issue here: https://www.newscientist.com/issue/3521/ 
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 279
    Antarctic sea ice is melting at an unprecedented rate. A collapse like the one we’re seeing was given just a 1 in 700 billion year chance of happening, based on climate models - we basically thought it was impossible. Melting ice in Antarctica will have global scale, knock-on ecological and climate consequences. To address the crisis, five hundred researchers met in Australia for an emergency summit for the future of the Antarctic. Sarah Thompson, one of the scientists at the conference, is working in Antarctica right now and shares her experiences assessing the damage in the region. Also hear from Sharon Robinson from the University of Wollongong, who explores how the ecology of the region is changing.
    A new type of brain implant technology is being developed that will allow direct access to a patient’s brain in a more intimate way. Most devices place metal electrodes and wires into the brain, but this method is instead using living neurons to form a connection with the brain. Brain-computer interfaces are used to help treat conditions like ALS or stroke, as well as allowing patients to control technology with their mind. Researchers at the Science Corporation in California have tested their new method on mice - but can it be done in humans?
    If you’re looking for a great science-based TV series or film to get stuck into this December, our resident TV critic Bethan Ackerley is here with all the highlights of 2024. She discusses everything from the unconventional superhero show ‘Supacell’, to the fabulous ‘3 Body Problem’ and the latest ‘Planet of the Apes’ film. Read Beth’s complete TV and film review here:
    https://www.newscientist.com/article/mg26435200-500-the-best-science-fiction-tv-shows-of-2024/ 
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 278
    Concerns about bird flu are rising as two cases in North America suggest the virus is adapting to humans. Evidence of human-to-human transmission is not yet conclusive but public health experts are worried. This year outbreaks have been found in both poultry and dairy cows in the US. Although it only causes mild symptoms in people at the moment, is there a chance it could evolve to become deadly?
    A last-minute deal has been struck at the UN climate summit COP29 – and people are not happy. Richer nations have agreed to give money to poorer nations to help them go green, but the financing promised doesn’t come close to what’s needed. Another year, another unsatisfactory outcome, once again begging the question is the COP process no longer fit for purpose? 
    Fancy stock-piling a load of new books ahead of the holiday season? We present to you 5 of the best science books of 2024, fiction and non-fiction. On the list are A City on Mars, What the Wild Sea Can Be, Frostbite, Nuclear War: A Scenario and Question 7. Read the full article of 18 must-reads here.
    Sign up to the New Scientist Book Club here: 
    https://www.newscientist.com/sign-up/bookclub/
    Find more information about the Book Club here: https://www.newscientist.com/article/2442618-welcome-to-the-new-scientist-book-club/
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 277
    Chimps are an intelligent species, capable of using tools and developing culture - so why have humans surpassed them to such a huge extent? How is it that we are busy exploring space while chimps remain stuck in the Stone Age? It’s long been thought it’s because their culture doesn’t evolve cumulatively, but that assumption has just been challenged. Hear from Cassandra Gunasekaram, the lead author of a paper that shows chimp culture develops in a more complex way than we realised. We also hear from primatologists Andrew Whiten from the University of St Andrews and Andrea Migliano of the University of Zurich.
    How often do you check the calories of your meal, before ordering at a restaurant? In 2020 in the UK it became mandatory for many restaurants to print calories on their menus, as part of an anti-obesity campaign - the question is, has it been effective or a complete waste of time? We dig into new research and the results may surprise you. We also explore why 85 per cent of overweight or obese people who lose a significant amount of weight end up putting it all back on again within a year.
    In a Black Mirror-like development, computer scientists have managed to create simulated replicas of 1000 real people. These digital twins were created using the model behind ChatGPT and can accurately simulate their personalities. The method is surprisingly simple to recreate - so should we be worried?
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 276
    Are the COP climate summits doing enough to help us avoid the most devastating impacts of climate change, or are they not fit for purpose, and designed to fail? COP29 is underway in petrostate Azerbaijan, headed by a CEO who was secretly filmed making oil and gas deals. Despite this, the team finds reason for optimism. They also hear from climate philosopher and activist Rupert Read, who runs the Climate Majority Project. He argues the COP process was designed to fail, that 1.5 degrees is dead and that adaptation - not mitigation - is the way to go. What do you think?
    Bird migration is an extraordinary feat of evolution - but how exactly do they do it? We know the Earth’s magnetic field has something to do with it, but we’ve only just discovered the astonishing level of detail birds are able to get from it. Raising questions about bird intelligence, the team also hears how birds evolved from dinosaurs.
    Gophers have an incredible capacity to shape their landscape. Gophers are small, burrowing rodents with long front teeth. And a decades-long study has shown that just one day of work by a gopher can completely revitalise soil in an area, changing its microbial diversity and preventing disease. Gopher productivity surely puts humans to shame.
    Hosts Rowan Hooper and Penny Sarchet discuss with guests Madeleine Cuff and Sophie Bushwick.
    To read more about these stories, visit https://www.newscientist.com/
    Learn about the Climate Majority Project here.
    Find Rupert Read’s book here.
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  • Episode 275
    The origins of the world’s oldest known writing system are being uncovered. Cuneiform was invented around 3200 BC in ancient Mesopotamia, but before it came a much simpler form of writing called proto-cuneiform. Researchers are now shedding light on how writing began along with the cultural factors that spurred on its invention.
    Just as the rather disappointing COP16 biodiversity conference comes to a close, another COP is nearly upon us. The famous climate conference is in its 29th year and is taking place in Azerbaijan. It’s fair to say the stakes are extremely high. With global emissions cuts still not happening fast enough, the existence of some countries hanging in the balance and Donald Trump returning to the White House, can COP29 move the needle?
    Pando, a quaking aspen in Utah, is the world’s largest tree – and it’s very, very old. Until now its exact age has been hard to pinpoint, but researchers have now found it is among the oldest organisms on the planet, alive during the time of the woolly mammoth. But just how old is it?
    Did you know vampire bats can… run? And they’re pretty fast too. Researchers stuck some of these bats on treadmills to learn about their unusual diets. How exactly do they survive only eating fresh blood?
    Hosts Penny Sarchet and Timothy Revell discuss with guests Michael Marshall, Madeleine Cuff, Rowan Hooper, James Woodford and Matthew Sparkes.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 274
    World leaders are in Colombia for the COP16 biodiversity summit. As delegates hash out a path forward, have we actually made any progress to protect global biodiversity since they last gathered? 
    What would a Trump presidency mean for the climate? With the US election taking place on 5th November, two climate experts weigh in with their concerns. Leah Stokes works on climate policy at the University of California, Santa Barbara and Naomi Oreskes is a professor of earth and planetary science at Harvard.
    And in a special mega feature on the microbiome, take a deep dive into the science of our guts:
    First up, we know that antibiotics wipe out good and bad bacteria alike, but until now we didn’t realise just how intense those effects were. Now researchers have uncovered how many species of bacteria in our guts are killed off by antibiotics - and the truth of how long those impacts last.
    We also learn how our guts are battlegrounds, where microbes are in a constant state of war, fighting for resources and territory. Most surprising of all is how some microbes are turned traitors and end up killing off their own kind.
    And we provide a one-stop shop for all the science-backed ways to care for your gut and learn how the balance of microbes impacts healthy ageing, mental health and inflammation.
    Hosts Rowan Hooper and Penny Sarchet (yes, she’s back!) discuss with guests James Dinneen, Michael Le Page, Carissa Wong and Alison George.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 273
    The mystery of “Well Man”, an ancient cold case, has just been solved. A Norse saga tells that in 1197, in the midst of a Viking raid, warriors dumped a body in a well inside a castle. Over 800 years later, archeologists recovered a body from that very well – but didn’t have the technology to show it was the man from the saga… until now.
    Some welcome good news about the climate. Energy imbalance, a key measure of global warming, has been rising fast, sparking fears that warming is accelerating faster than models predicted. But new findings suggest those fears are overblown and that there is hope yet.
    Birth control pills may shrink your brain (a small amount). After experiencing mood and physical changes after coming off the pill, one neuroscientist discovered very little had been done to understand the impact of hormonal birth control on the brain. So she scanned her own brain 75 times over several months while on and off the pill. The results are in.
    Hosts Rowan Hooper and Chelsea Whyte discuss with guests James Woodford, Michael Martin, Michael Le Page, Ben Sandersen, Grace Wade and Carina Heller.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 272
    SpaceX has made history with its Starship rocket, the largest rocket ever built and one that’s hoped to eventually take us to Mars. In its fifth test, SpaceX successfully returned the rocket’s booster back to the launchpad and caught hold of it – an engineering feat of great finesse. But how close are we to putting crew on the rocket–- and when will it take humanity to the Red Planet? Leah-Nani Alconcel, spacecraft engineer at the University of Birmingham, joins the conversation.
    We might be closer than ever before to bringing Tasmanian tigers (thylacines) back from extinction. That’s if de-extinction company Colossal is right about their latest discovery, of a nearly complete genome of the thylacine. Is this the breakthrough it seems to be? And can we truly bring back thylacines as they once were?  
    Brain scans have revealed that bullying has a physical effect on the structure of the brain. Young people who are bullied see changes in various brain regions and it seems to impact male and female brains differently. Are these changes permanent? And is this cause to take bullying more seriously?
    The “very fabric of life on Earth is imperilled.” That’s according to the latest annual State of the Climate report. Thirty-five “planetary vital signs” have been assessed by researchers and the outlook is bleak. But among all the worrying climate records we’ve broken there is hope. Hear from study author Tom Crowther of ETH Zurich. 
    Hosts Rowan Hooper and Chelsea Whyte discuss with guests Leah Crane, Leah-Nani Alconcel, Michael Le Page, Alexandra Thompson, James Dinneen and Tom Crowther.
    To read more about these stories, visit https://www.newscientist.com/
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  • Episode 271
    If we overshoot 1.5 degrees of global warming, there is no going back. The hope has long been that if - and when - we blow past our climate goals, we can later reverse the damage. But there’s no guarantee we can bring temperatures back down, according to a paper published in Nature this week. The report suggests it would take decades to get back to normal - and some of the more devastating consequences will be irreversible. Hear from a variety of experts on the problem of climate overshoot.
    Living bacteria have been discovered in 2-billion-year-old rocks, making them very, very old. Find out how these primitive microbes survived for so long - and why this discovery is exciting news for the quest to find life on other planets.
    Do you think you’ll make it to the ripe old age of 100? Human life expectancy has steadily been going up and up - but now it’s grinding to a halt, looking unlikely to exceed 84 for men and 90 for women. What’s going on? Is there a limit to human ageing, or is something else at play?
    Hurricane Milton has caused immense damage across Florida and the death toll is rising. As it draws power from the hot oceans, there’s good reason to believe climate change is to blame for its rapid intensification. Hot on the heels of Hurricane Helene, why are extreme weather conditions picking up again so quickly?
    Hosts Rowan Hooper and Chelsea Whyte discuss with guests Michael Le Page, Carl-Friedrich Schleussner, Joeri Rogelj, Wim Carton, Sam Wong, Carissa Wong and James Dinneen.
    To read more about these stories, visit https://www.newscientist.com/ 
    Get your tickets for New Scientist Live: https://www.newscientist.com/nslivepod 
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  • The great auk was a flightless bird which was last spotted in Iceland in 1844. It is the subject of the book The Last of Its Kind: The Search for the Great Auk and the Discovery of Extinction. Written by Gísli Pálsson, an Icelandic anthropologist and academic, the book offers vital insights into the extinction of the species through accounts from the Icelanders who hunted them. 
    Pálsson is on the shortlist for the Royal Society Trivedi Science Book Prize. In the lead up to the winner’s announcement, New Scientist books editor Alison Flood meets all six of the shortlisted authors.
    In this conversation, Pálsson recounts how British ornithologists John Wolley and Alfred Newton travelled to Iceland in search of great auk specimens, only to find the birds had already vanished. He also explores the origins of the term "extinction" and shares his personal motivations for telling the story of the great auk.
    The winner of the Royal Society Trivedi Science Book Prize will be announced on the 24th October. You can view all of the shortlisted entries here:
    https://royalsociety.org/medals-and-prizes/science-book-prize/ 
    To read about subjects like this and much more, visit https://www.newscientist.com/ 
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  • Episode 270
    There may be hope for the survival of coral reefs, a vital part of the global underwater ecosystem that is under massive threat from climate change. At 1.5 C degrees of warming we’re at risk of losing 70-90 per cent of coral - and more than 99 per cent is estimated to die off at 2 degrees. But new research suggests corals may be more adaptable and resilient than we thought. Hear from two experts on the matter, Chris Jury of the University of Hawaii and Terry Hughes, director of the Centre of Excellence for Coral Reef Studies at James Cook University in Australia.
    A new exoplanet has been discovered in orbit around Barnard’s star - Earth’s closest single stellar neighbour. But could it be home to extraterrestrial life? And in this, the golden age of exoplanet discovery, how close are we to finding one that looks like Earth?
    Remarkably preserved remains of a 16 month old toddler have been analysed, painting a detailed picture of life in ancient Italy. Despite being 17,000 years old, DNA samples have shown us the colour of the child’s skin, his eye colour, health conditions and even how closely his parents were related.
    Russia’s invasion of Ukraine has been dubbed the “first drone war”. As the war rages on, drone combat has shifted from ad hoc, random encounters to highly strategic and coordinated assaults. With the increasing capabilities of drones and a ramp up in the expertise of operators, is this the future of the war - and is it a good thing?
    Hosts Rowan Hooper and Chelsea Whyte discuss with guests Terry Hughes, Chris Jury, Alex Wilkins, Sam Wong and Jacob Aron.
    To read more about these stories, visit https://www.newscientist.com/ 
    Get your tickets for New Scientist Live: https://www.newscientist.com/nslivepod
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  • Everything Is Predictable: How Bayes' Remarkable Theorem Explains the World is a book about an 18th century mathematical rule for working out probability, which shapes many aspects of our modern world. 
    Written by science journalist Tom Chivers, the book has made it onto the shortlist for the Royal Society Trivedi Science Book Prize. In the lead up to the winner’s announcement, New Scientist books editor Alison Flood meets all six of the shortlisted authors.
    In this conversation, Tom explores the life of Thomas Bayes, the man behind the theorem, and how he had no clue his discovery would have such sweeping implications for humanity. He explains the theorem’s many uses, both in practical settings like disease diagnosis, as well as its ability to explain rational thought and the human brain. And he digs into some of the controversy and surprising conflict that has surrounded Bayes’ theorem over the years.
    The winner of the Royal Society Trivedi Science Book Prize will be announced on the 24th October. You can view all of the shortlisted entries here:
    https://royalsociety.org/medals-and-prizes/science-book-prize/ 
    To read about subjects like this and much more, visit https://www.newscientist.com/ 
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  • Women have evolved over hundreds of thousands of years to have more sensitive noses, sharper hearing at high frequencies, and longer life expectancy than men. But why have women's bodies been so under-researched? It’s one of the many questions Cat Bohannon raises in her book Eve: How the Female Body Drove 200 Million Years of Human Evolution. 
    Shortlisted for the Royal Society Trivedi Science Book Prize, Eve explores how women’s biology has shaped human history and culture. In the lead up to the winner’s announcement, New Scientist books editor Alison Flood meets all six of the shortlisted authors.
    In this conversation, we hear what motivated Cat to spend more than a decade researching and writing the book, how understanding the evolution of female traits can give us deeper insights into the workings of our species, and the overlap between sexism and science. 
    The winner of the Royal Society Trivedi Science Book Prize will be announced on the 24th October. You can view all of the shortlisted entries here:
    https://royalsociety.org/medals-and-prizes/science-book-prize/ 
    To read about subjects like this and much more, visit https://www.newscientist.com/
    Hosted on Acast. See acast.com/privacy for more information.
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  • Why We Die is a book about ageing and death, written by Nobel Prize-winning biologist and former president of the Royal Society, Venki Ramakrishnan.
    Venki is on the shortlist for the Royal Society Trivedi Science Book Prize. In the lead up to the winner’s announcement, New Scientist books editor Alison Flood meets all six of the shortlisted authors.
    In this conversation, Venki explores humankind’s unique ability to understand and contemplate our own mortality, why some animals live such short lives and others for hundreds of years, if ageing is simply an inevitable and evolutionary practical part of life and whether emerging technologies will make it possible for us to life forever - if that’s really what we want.
    The winner of the Royal Society Trivedi Science Book Prize will be announced on the 24th October. You can view all of the shortlisted entries here:
    https://royalsociety.org/medals-and-prizes/science-book-prize/ 
    To read about subjects like this and much more, visit https://www.newscientist.com/ 
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  • As the heated race to settle humans on Mars continues, is it really a good idea? And what are the biggest challenges to making interplanetary life a reality?
    These are the questions Kelly and Zach Weinersmith explore in their book, A City on Mars. The pair have been shortlisted for the prestigious Royal Society Trivedi Science Book Prize, and ahead of the winner's announcement, New Scientist books editor Alison Flood meets with all six shortlisted authors.
    In this conversation, Kelly and Zach dive into the potential and the perils of building a sustainable human colony on the Red Planet, shedding light on some of the biggest hurdles humans would face. We also hear what inspired them to write the book, and they answer the million dollar question… would they move to Mars? 
    The winner of the Royal Society Trivedi Science Book Prize will be announced on October 24th. You can view all of the shortlisted books here:
    https://royalsociety.org/medals-and-prizes/science-book-prize/ 
    To read about subjects like this and much more, visit https://www.newscientist.com/
    Hosted on Acast. See acast.com/privacy for more information.
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