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Nature

Nature

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12/04/2023

Theory of everything: do we really need one?

The quest for a theory of everything – explaining all the forces and particles in the universe – is arguably the holy grail of physics. While each of our main theories of physics works extraordinarily well, they also clash with each other. But do we really need a theory of everything? And are we anywhere near achieving one? Featuring Vlatko Vedral, a professor of physics at the University of Oxford and Chanda Prescod-Weinstein, an assistant professor in physics and astronomy and core faculty in women's and gender studies at the University Of New Hampshire. This episode is presented by Miriam Frankel and produced by Hannah Fisher. Executive producers are Jo Adetunji and Gemma Ware. Social media and platform production by Alice Mason, sound design by Eloise Stevens and music by Neeta Sarl. A transcript is available here. Sign up here for a free daily newsletter from The Conversation. Further reading: The standard model of particle physics may be broken – an expert explains

12/04/2023

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57 min
07/08/2025

How the world got hooked on plastic

Countries around the world are meeting in Geneva in August to negotiate a global plastics treaty aimed at curbing plastic pollution. The last round of negotiations failed last November after oil-producing countries refused to sign up to a clause calling for the world to reduce its production of plastics. But how did the world become hooked on plastic in the first place? This week, we're re-running an episode we first aired in January 2025 featuring an interview with Mark Miodownik, professor of materials and society, at UCL in the UK. He explains the history of plastic, how it’s shaped our lives, and what can be done to make sure more plastic is recycled and less ends up polluting the planet. This episode was written and produced by Katie Flood and Gemma Ware with assistance from Mend Mariwany. Sound design and mixing by Michelle Macklem and Eloise Stevens and theme music by Neeta Sarl. Read the full credits for this episode and sign up here for a free daily newsletter from The Conversation. If you like the show, please consider donating to The Conversation, an independent, not-for-profit news organisation.

07/08/2025

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29 min
12/06/2025

Pemerintah cairkan BSU: solusi lesunya daya beli masyarakat?

Pemerintah Indonesia kembali menggulirkan program Bantuan Subsidi Upah (BSU) sebagai bagian dari upaya menjaga daya beli masyarakat pekerja di tengah tekanan ekonomi. Program ini mulai dicairkan pada 5 Juni 2025, menyasar para buruh dan pekerja yang memenuhi syarat tertentu sesuai regulasi ketenagakerjaan dan kebijakan ekonomi nasional. BSU ini dirancang sebagai bentuk intervensi fiskal langsung untuk membantu kelompok pekerja yang terdampak dinamika ekonomi seperti deflasi atau menurunnya daya beli masyarakat. Bantuan ini diberikan sebesar Rp300.000 per bulan selama dua bulan (Juni–Juli) dan langsung dicairkan sekaligus sebesar Rp600.000 pada bulan Juni. Pemerintah mengalokasikan dana sebesar Rp10,72 triliun untuk pelaksanaan program BSU tahun ini. Di tengah tantangan seperti inflasi dan ketidakpastian global, pemerintah berharap bantuan semacam ini bisa menjadi stimulan bagi masyarakat supaya tetap bisa menggerakkan roda ekonomi. Apakah pemberian BSU ini benar benar menjadi solusi jitu untuk menggerakkan perekonomian negara yang belakangan dianggap lesu? Dalam episode SuarAkademia terbaru, kami membahas isu ini bersama Jaya Darmawan, peneliti ekonomi dari Center of Economic and Law Studies (CELIOS). Jaya berpendapat BSU menjadi salah satu instrumen andalan pemerintah untuk merespons tekanan ekonomi yang dialami masyarakat kelas pekerja. Meskipun program BSU bermanfaat dalam jangka pendek, ia menganggap besaran bantuannya belum mampu mengimbangi tekanan ekonomi saat ini. Salah satu masalah yang menurut Jaya juga perlu disoroti adalah kriteria kelayakan penerima manfaat. Banyak pekerja tidak memenuhi syarat bantuan karena batasan administratif yang tidak mempertimbangkan kompleksitas kerja informal. kriteria penerima BSU ini membuat pekerja yang ada di sektor informal kerap luput dari jangkauan bantuan sosial, meskipun mereka berada dalam posisi paling rentan secara ekonomi. Meskipun kebijakan pemerintah ini perlu disambut dengan baik, namun Jaya beranggapan langkah-langkah ini masih belum cukup untuk mendorong daya beli masyarakat secara berkelanjutan. Ia berpendapat perlu ada pergeseran arah kebijakan dari sekadar bantuan jangka pendek menuju strategi jangka panjang yang lebih menyeluruh. Fokus kebijakan pemerintah sebaiknya tidak hanya memperbaiki daya beli secara sementara, tetapi juga membuka akses terhadap pekerjaan yang layak dan mendukung pekerja untuk keluar dari sektor informal. Menurutnya, pemerintah perlu memikirkan strategi yang lebih komprehensif untuk menciptakan kebijakan ekonomi yang tidak hanya responsif terhadap krisis, tetapi juga berorientasi pada transformasi sosial dan ekonomi yang berkelanjutan. Simak episode lengkapnya hanya di SuarAkademia—ngobrol seru isu terkini, bareng akademisi.

12/06/2025

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33 min
08/03/2019

Mark Latham in the upper house? A Coalition minority government? The NSW election is nearly upon us and it’s going to be a wild ride

It's a fight for a rapidly vanishing centre, which will make passing bills difficult for whoever wins. Chris Pavlich/Dean Lewins(AAP)We are but weeks away from an election in New South Wales – polling day is on March 23 – and it will be eagerly watched. Not just for the outcome but for the implications for the looming federal election. That’s according to Dr Andy Marks, a political scientist from Western Sydney University, who tells us on the podcast today that this state election outcome may give us some clues on how some global political themes are playing out here in Australia. “It’s not just about state politics. Increasingly the Australian electoral cycles, federally and at the state level, are subject to changes in political dynamics internationally. We’re seeing the erosion of centrist politics around the world […] and that even affects humble New South Wales.” He predicts a weakened Nationals Party will be facing a strong challenge from the Shooters, Fishers and Farmers Party and that One Nation’s Mark Latham is almost a sure bet to win a spot in the NSW upper house. “I do think you’ll see a minority Coalition government returned but the really interesting play is what happens in the upper house. Currently, the Coalition have to deal with two to three independents or minor parties to get stuff over the line,” said Dr Marks. “I think what we’ll see in the coming parliament is that that the ranks of cross-benchers will expand quite dramatically, up to seven to nine cross-benchers. So that makes negotiations pretty fraught. "This is really going to be new territory,” he said. “We’ve got One Nation returning to the fold. Mark Latham, their number one ticket holder in the upper house, will get in. But potentially they’ll get two seats in the upper house. You’ll have an emboldened Shooters and Fishers Party. "So you really have a really broad field and it’s going to mean negotiating the passage of bills will be pretty difficult.” We also talked about: why East Hills (which takes in suburbs like Panania, Condell Park, the Bankstown aerodrome, Padstow, Revesby and others) is the most marginal seat in NSW how a plan to demolish and rebuild two stadiums turned into a political headache for NSW premier Gladys Berejiklian why Michael Daley, who took over from Luke Foley as NSW Labor leader late last year, is only now just making his mark how local issues in rural seats may end up deciding the fate of the state what it all means as we head into the May federal election. New to podcasts? Podcasts are often best enjoyed using a podcast app. All iPhones come with the Apple Podcasts app already installed, or you may want to listen and subscribe on another app such as Pocket Casts (click here to listen to Trust Me, I’m An Expert on Pocket Casts). You can also hear us on Stitcher, Spotify or any of the apps below. Just pick a service from one of those listed below and click on the icon to find Trust Me, I’m An Expert. Additional audio Kindergarten by Unkle Ho, from Elefant Traks ABC news report on 2GB interview 2GB interview clip. Image: Chris Pavlich/Dean Lewins(AAP)

08/03/2019

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24 min
18/05/2021

Rencontrez les rovers qui cherchent des traces de vie sur Mars

Perseverance, Tianwen-1, Curiosity, Rosalind Franklin – doux noms pour ces machines aux avant-postes de l'exploration spatiale, ces rovers qui roulent ou vont rouler prochainement sur le sol de Mars. Leur mission est grande: détecter les traces d'une vie passée, si tant est que la vie ait jamais existé sur la planète rouge. Pour jeter la lumière sur cette grande mosaïque de missions martiennes, nous accueillons Cyril Szopa, exobiologiste au LATMOS et professeur à l'Université de Versailles Saint-Quentin. Retour Sur ... est un podcast produit par The Conversation France. Retrouvez les autres épisodes sur le site de The Conversation ou sur les plateformes de podcasts. Conception, Elsa Couderc. Production, Romain Pollet Hébergé par Acast. Visitez acast.com/privacy pour plus d'informations.

18/05/2021

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16 min
08/12/2022

À bas les murs : en Russie, une opposition hors les murs ?

Aujourd'hui, Antoine Arjakovsky, directeur de recherche au Collège des Bernardins, fondateur de l’Institut d’études œcuméniques de Lviv et auteur de plusieurs ouvrages dont Occident-Russie : Comment sortir du conflit ?, revient sur un mur moins physique, mais tout aussi infranchissable : celui qui sépare l’opposition russe à Vladimir Poutine, emprisonnée, réduite au silence ou contrainte à l'exil, de ses concitoyens. Une opposition dont plusieurs représentants se sont notamment réunis lors de la dernière édition du Forum Normandie, en présence d'Antoine Arjakovsky, pour rédiger ensemble un texte appelant à la fin de l'agression russe contre Ukraine et à la démocratisation de leur pays. Ces objectifs relèvent-ils du voeu pieux ? Comment les pays qui accueillent ces opposants peuvent-ils les aider ? Crédits, conception et animation, Grégory Rayko. Réalisation, Rayane Meguenni Hébergé par Acast. Visitez acast.com/privacy pour plus d'informations.

08/12/2022

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22 min
26/05/2022

India and Pakistan heatwave is a sign of worse to come

India and Pakistan have been sweltering under an unprecedented heatwave, the severity of which scientists attribute to climate change. In this episode we explore how much worse heatwaves in the region could get and how farmers can prepare for it. Featuring Alan Thomas Kennedy-Asser, a research associate in climate science at the University of Bristol in the UK, Andrew King, a senior Lecturer in climate science at the University of Melbourne in Australia and Shruti Bhogal, who's just finished working as a post-doctoral research associate at the University of Cambridge in the UK. This episode of The Conversation Weekly was produced by Mend Mariwany and Gemma Ware. Sound design is by Eloise Stevens and our theme music is by Neeta Sarl. Full credits for this episode are available here. A transcript will be available shortly. Further reading India heatwave: why the region should prepare for even more extreme heat in the near future How to survive a heatwave A climate scientist on India and Pakistan’s horror heatwave, and the surprising consequences of better air qualityYoung Indian farmers are turning to an ancient crop to fight water stress and climate change

26/05/2022

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43 min
16/05/2024

A different way to address student encampments

Collectively, the global student protests demanding university divestments from Israel are one of the largest mass protests in recent history. Student protesters are risking their futures as they demand their institutions financially divest from Israel and companies connected to supplying weapons and technology to Israel’s government. Last week, in Calgary, police descended on the University of Calgary campus with riot gear, using shields, batons and rubber bullets, to forcibly remove a group of protesters from an encampment set up on campus. On today's podcast, Vinita speaks with Pratim Sengupta, professor of learning sciences at the University of Calgary. Sengupta was there the night police engulfed the protesters and says the violence he saw shook him to his core. Also on the podcast is Sarita Srivastava, a university leader of a much smaller arts and design campus in downtown Toronto. Srivastava (sister to Vinita) is a sociologist by background and author of the recent book, "Are You Calling Me a Racist?" Together, they look back on what's been happening on campuses amid this mass protest but also plot out a new - gentler - way forward than the one we've been witnessing.

16/05/2024

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31 min
02/02/2023

Influencers are getting hired by smaller cities to attract new residents and generate revenue

During the COVID-19 pandemic, the demographics of cities shifted. As stay-at-home orders, remote work and bubbling reduced social interaction, and restaurants, venues and arts destinations shut down temporarily, people started reconsidering their decision to remain in a big city. We spoke with two urban theorists about why people were leaving larger cities for smaller ones, how authenticity was marketed using social media influencers, and why smaller and mid-sized cities are underrated. Featuring Avi Friedman, a professor of architecture at McGill University in Montréal, Canada, and David A. Banks, lecturer in the Department of Geography and Planning at the University of Albany in New York, US. This episode of The Conversation Weekly was produced and written by Mend Mariwany who is also the show's executive producer. Sound design is by Eloise Stevens, and our theme music is by Neeta Sarl. Full credits for this episode are available here. Sign up here for a free daily newsletter from The Conversation. Further reading: Kampala, Kigali and Addis Ababa are changing fast: new book follows their distinct pathsTo build sustainable cities, involve those who live in themThe era of the megalopolis: how the world’s cities are mergingAs big cities get even bigger, some residents are being left behind

02/02/2023

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29 min
08/10/2018

Potensi energi angin di Indonesia begitu besar, mengapa kincirnya harus kecil

ENERGY.GOV/WIKIMEDIA, CC BY-SA Angin punya posisi penting bagi sejarah panjang peradaban manusia. Sekitar 7000 tahun lalu, angin tercatat telah memutar baling-baling kapal di sepanjang Sungai Nil di Mesir. Di Cina, 200 tahun sebelum Masehi, hembusan angin telah memutar kincir sederhana dan membantu petani memompa air. Sejak abad ke-20, angin telah menggerakan turbin dan menghasilkan listrik untuk rumah di Eropa dan Amerika Utara. Selain lebih murah, tenaga angin juga terbukti jauh lebih ramah terhadap lingkungan. Tapi mengapa Indonesia sepertinya sulit melakukan hal yang sama? Apa kita kekurangan angin? Adi Surjosatyo, Guru Besar Departemen Teknik Mesin Universitas Indonesia, mengatakan potensi Indonesia sangat besar. Tapi, menurut dia, selama ini kita telah keliru dalam memandang tenaga angin. Di Eropa, daerah kontinental, turbin angin dibuat besar karena angin besar. Tapi di daerah Indonesia, turbin angin harus kecil karena kondisi udara dan kelembapan air laut membuat angin di Indonesia kecil. Rata-rata kecepatan angin di Indonesia dua kali lebih lemah dari angin di Eropa. Hanya sekitar 2,5 sampai 3 meter per detik. Kecepatan angin rendah, kincirnya pun harus kecil. Itulah yang dilakukan oleh Adi di Kampung Bungin, Muara Gembong, Bekasi. Dia bikin energi terbarukan dari angin untuk mengaliri listrik kampung nelayan tersebut. Satu kincir angin setinggi 11 meter hanya butuh Rp 50 juta. Setelah memasang beberapa kincir di pinggir pantai, biarkan angin yang bekerja sepanjang waktu. Edisi ke-29 Sains Sekitar Kita ini disiapkan oleh Ikhsan Raharjo dan narator Malika. Selamat mendengarkan!

08/10/2018

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6 min

Listen to experts explain the world around us and tell the stories behind brand new research. Podcasts from The Conversation, an independent source of news and views, sourced from the academic and research community. Shows in English, French and Bahasa Indonesia. Free to listen.