New Scientist

The World, the Universe and Us

Science EN ↓ 452 episodes

From the evolution of intelligent life, to the mysteries of consciousness; from the threat of the climate crisis to the search for dark matter,  The world, the universe and us  is your essential weekly dose of science and wonder in an uncertain world. Hosted by journalists Dr Rowan Hooper and Dr Penny Sarchet and joined each week by expert scientists in the field, the show draws on  New Scientist ’s unparalleled depth of reporting to put the stories that matter into context. Feed your curiosity with the podcast that will restore your sense of optimism and nourish your brain. For more visit new...

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New Scientist

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Science

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www.newscientist.com

Latest episode

Jul 9, 2026

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Episodes

#152 Ancient species of human could control fire; complete brain map of fly 07.12.2022

An extinct species of ancient human may have been much more advanced than we first realised. First discovered 10 years ago, Homo neladi had a brain about a third the size of ours and yet it may have done complex things like burying its dead and controlling fire. The team learns about the latest finding from the Rising Star cave near Johannesburg. Mars has long been described as geologically dead,...

#151 COP15: the meeting to save life on Earth; anti-ageing properties of urine 01.12.2022

Following repeated delays, the COP15 biodiversity conference is finally going ahead. On December 7th representatives from most of the countries in the world will meet to reach an agreement on how to address the global biodiversity crisis. There’s already a draft agreement in place, and the team explains the ambitions it lays out. But is this event likely to move the needle? A species of rat which...

#150 Megadrought in the US; how to move an elephant 24.11.2022

The southwestern US is currently in the midst of a megadrought - the worst in 1200 years. And it has put the Colorado River in crisis, an essential source of water for more than 40 million people. Can it be saved? Chelsea Whyte investigates. The team unveils the fun new names that have been chosen to define incomprehensibly massive and incredibly tiny numbers. These prefixes describe measurements...

#149 COP27 treaty emerges; a method to discover wormholes 17.11.2022

Cheering greeted Brazil’s president-elect, Lula da Silva, when he appeared at COP27 this week. Madeleine Cuff brings us a report from the climate conference in Egypt, where Lula has made bold promises to protect the Amazon. She also tells us what we can expect from this year’s draft treaty - and why the text has been causing quite a stir. There’s plenty going on in Space, with NASA’s Artemis missi...

#148 Climate action from COP27; world population reaches 8 billion 10.11.2022

Warnings over the world’s mad dash to create new supplies of fossil fuels, discussions about climate loss and damage, and talk about nature-based solutions. COP27 in Egypt is in full swing. Our reporter Madeleine Cuff brings us the latest, direct from Sharm el Sheikh. This week’s Sci-fi alert is the unusual discovery of a star with a solid surface. The team explains how on this magnetar (the dense...

#147 The oldest yew trees in Europe – and how to save them 07.11.2022

In a special episode of the podcast, host Rowan Hooper visits Newlands Corner in the North Downs in southern England, the site of one of the oldest and most significant populations of wild yews growing anywhere in the world. Yew trees are familiar from churchyards and are also revered by pagans and shamans. They can live for many hundreds of years. The grove at Newlands Corner is an exceptional ec...

#146 Accelerated end to fossil fuel; double discovery on Mars 03.11.2022

Spurred on by the war in Ukraine, we’re seeing a worldwide shift to green energy, with the global demand of fossil fuels now expected to peak in 15 years - a dose of optimism ahead of COP27. The climate conference kicks off in Egypt on November 6, and the team brings a round-up of what we can expect. Maddie and Rowan also discuss their recent visit to the London Literature Festival, where they saw...

#145 COP27 climate summit preview; unexpected animal sounds 27.10.2022

It’s already been a year since COP26, with its successor COP27 gearing up to begin on 6 November. 12 months on from some big pledges, the team finds out how much action has actually been taken, and whether this next climate conference is set to move the needle further. Quacks, barks and farts; listen out for some intriguing and unexpected animal sounds. The team shares the newly discovered vocalis...

#144 Geoengineering plan to slow the melt of arctic ice 23.10.2022

An extended bonus episode of the podcast, where we learn more about proposals to slow the rate of ice loss in Greenland - and if it works, in Antarctica - using a local form of geoengineering.  Host Rowan Hooper speaks to glaciologist John Moore and environmental social scientist Ilona Mettiäinen, both from the University of Lapland in Finland. They discuss the proposal, which involves building a...

#143 Bird flu sweeps UK; secrets of the Neanderthal family 20.10.2022

Wild bird populations have been devastated by an avian flu variant that’s sweeping the UK - and more than 3.5 million captive birds have been culled. It’s expected to be the worst winter on record for avian flu - and the team finds out why. Female robins sing just as much, and just as beautifully, as their male counterparts. It might sound like a no-brainer, but we’ve only just found this out, whi...

#142: We need to talk about mental health and climate change 17.10.2022

In 2022, for the first time, the Intergovernmental Panel on Climate Change included mental health as part of its assessment of the impacts of climate change. Conditions such as anxiety, stress and post traumatic stress disorder are all predicted to increase as temperatures rise and people experience extreme weather events. To mark World Mental Health Day (Monday 10th October), Rowan spoke to ‘Losi...

#141 Energy threat to international security; a new form of multiplication 13.10.2022

The climate crisis is as great a threat to energy security as Russia’s war on Ukraine, warns the World Meteorological Organization. The team finds out what sort of threats we’re talking about, and discusses potential solutions. Imagine looking up at the skyline, ready to take in a beautiful sunset, and there it is - a massive, Moon-sized advert, stretched out across the skyline. The team explains...

#140 New Scientist Live Ask-us-Anything bonus episode 11.10.2022

At New Scientist Live we invited you to ask our journalists anything - and at two packed out sessions, you absolutely delivered. Recorded live from the smoke-filled Space Shed at the Engage stage, this is a highlights reel of some of the best questions we received. Everything from dark matter to plant consciousness, 3D printed food, elephant emotional intelligence and black holes. On the pod are R...

#139 Gas leak impact on climate change; a new way to explain life 06.10.2022

Exploding gas pipelines have signalled a new environmental disaster. Nord Stream 1 and 2 have both sprung leaks, with many assuming sabotage. With huge amounts of methane released into the atmosphere, the team examines the climate impact of the damage - and puts the leak into context.  During the height of the covid-19 pandemic, male birth rates dipped, temporarily altering the normal gender ratio...

#138 UK government’s attack on nature; when you can’t stop laughing 29.09.2022

The UK government is being accused of mounting an attack against nature. Environmental charities claim a raft of newly announced or rumoured plans are likely to cause harm to the environment for the sake of economic growth. The team unpacks these concerning decisions.   When you catch yourself in a fit of giggles, have you ever wondered why it’s so hard to get your words out? Well, the team discus...

#137 How to turn the shipping industry green; Enceladus passes habitability test 22.09.2022

‘Get it Done’ is the theme for this year’s Climate Week in New York, with hundreds of events taking place across the city. Reporter James Dinneen is there, and brings us news about how to reduce the massive impact of the shipping industry on greenhouse gas emissions.  NASA’s DART mission is the first real-world planetary defence mission. And on Monday a 500-kilogram satellite will smash into a sma...

#136 A step towards building artificial life; solar-powered slugs 15.09.2022

Ribosomes are tiny protein-making factories found inside cells, and a crucial component of life. And now a team of scientists has figured out how to make them self-replicate outside of cells. Without getting all Mary Shelley, the team says this is a step towards creating artificial life. On a trip to the Isles of Scilly, Rowan found a spectacular lifeform of the week. On the shores of Porthcressa...

#135 The Amazon passes a tipping point; a place to live only 100 light years away 08.09.2022

The Amazon rainforest may have passed the tipping point that will flip it into savannah. A new report suggests that large portions of the rainforest have been either degraded or destroyed, which could have disastrous consequences. The team hears from the Science Panel for the Amazon, who say we must step in now to support regeneration efforts.   If you’re looking for a drummer for your new band, y...

#134 Artemis moon mission; decoding the dreams of mice 31.08.2022

The launch of NASA’s Artemis moon rocket didn’t go to plan this week. The team looks at the problems that stopped this long-awaited launch. And with the launch rescheduled for Saturday, they find out what the mission hopes to achieve.   Deep below the surface of the Earth live nearly half of all microbes on the planet. While studying life in the deep biosphere is tough, the team shares an exciting...

#133 A treatment for food allergies; predicting earthquakes 24.08.2022

There may be a way of treating, or even preventing, food allergies. A promising new trial has used a fat molecule called butyrate to treat peanut allergies in mice. The problem is, butyrate smells like dog poo, so the team finds out how researchers are getting around that issue.   We’ve long thought earthquakes happen randomly, but that may not be the case. A new modelling technique using old reco...

#132 Impact of drought; monkeys using sex toys 17.08.2022

Droughts in many parts of Europe are the worst in 500 years. Even as temperatures begin to cool and some rain begins to fall, it may be a long time till we’re out of the woods. The team explores the impact the droughts are having on things like food production, energy and transport, and wildlife. Monkeys use sex toys too - who knew? Long-tailed macaques in a Balinese sanctuary have figured out how...

#131 Why thinking hard tires you out; game-changing US climate bill 11.08.2022

The US is about to pass an historic piece of climate legislation. The Inflation Reduction Act allocates $370 billion to climate mitigation, and the team explores how that money will be spent - plus why some people think the bill holds us hostage to fossil fuel. Do you ever get embarrassed talking to Siri when you’re out in public? Well, the team learns about an experimental new piece of tech calle...

#130 How to reverse death; Neil Gaiman on Sandman; AlphaFold and biology’s revolution; life in the multiverse with Laura Mersini-Houghton 04.08.2022

A new type of artificial blood has been created which, in the future, could bring people back from the dead - or what we think of now as dead, at least. This special fluid has been shown to preserve the organs of dead pigs, long after what was previously thought possible - which the team says could be a game-changer for organ transplants.   Rowan talks to legendary writer Neil Gaiman about the new...

#129 BlueDot special: Mysteries of the universe; stories of hope and joy; growing tiny human brains; solving global problems 28.07.2022

Welcome to a special edition of the show recorded live at the bluedot music festival. On the panel are New Scientist journalists Rowan Hooper and Abby Beall, along with Emmy-nominated composer Hannah Peel and geoscientist and broadcaster Chris Jackson. With the awesome Lovell radio telescope dominating the sky above the festival, this episode begins with astronomy news, and in particular stories f...

#128 Extreme heatwaves; China’s space station launch; covid’s effects in pregnancy; a black hole symphony 21.07.2022

Following scolding 40 degree record temperatures, it’s clear the UK is not set up to deal with such heat. But as extreme weather events become more common, how can we prepare for a hotter future? The team finds out, and looks to the US and Europe where hot temperatures are also wreaking havoc. China’s space plans are rocketing forward, as the country prepares to launch the second part of its space...

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