Babbage from The Economist (subscriber edition) cover image

Babbage from The Economist (subscriber edition)

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Apr 2, 2025 • 40min

Rocket man: Elon Musk’s plan to put people on Mars

President Donald Trump has announced that he wants to send Americans to plant the Stars and Stripes on Mars. The only rocket which currently stands any chance of making that happen is the enormous spacecraft being developed by Elon Musk, one of the president’s new advisors. Mr Musk has pledged to send uncrewed missions to Mars by the end of 2026, ahead of the first astronauts in early 2029—just before President Trump is supposed to leave office. But many challenges remain. Will his company, SpaceX, be able to make its Starship rocket work in time? Host: Alok Jha, The Economist’s science and technology editor, with senior editor Oliver Morton. Contributors: Peter Hague, an astrophysicist who writes the “Planetocracy” blog; Volker Maiwald an engineer at the German Aerospace Centre.For more on this topic, check out an episode from last year which examined Starship’s role in the US-China Moon race. Also, as an Economist subscriber, listen to our recent episode of “Checks and Balance” which asks whether Elon Musk is remaking America’s government or breaking it.Transcripts of our podcasts are available via economist.com/podcasts.Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.
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Mar 26, 2025 • 45min

Humanity 2.0: the rise of the superhuman

Natasha Loder, Health Editor at The Economist, joins Charles Brenner, a metabolism and aging researcher, and Arthur Caplan, a medical ethicist from NYU, to discuss the frontier of human enhancement. They explore the ethics of gene editing, brain implants, and performance-enhancing drugs. The conversation raises questions about redefining aging, the societal impact of enhancement technologies, and the need for regulation in this evolving field. With insights into innovations and personal journeys, they delve into both the potential and pitfalls of becoming 'superhuman'.
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Mar 19, 2025 • 41min

Going viral: could infections cause Alzheimer’s?

Alzheimer’s disease affects more than 30 million people around the world and there is no cure. For decades, research on the neurological condition has been focused on proteins known as amyloid and tau, which build up in the brains of people and prevent neurons from functioning properly. But treatments that focus on flushing those proteins out of the brain have so far proved underwhelming. A growing number of scientists, however, have a radical alternative theory. What if a virus is to blame? What if infections are the triggers that cause the build-up of amyloid and tau in the first place? Host: Alok Jha, The Economist’s science and technology editor, with data and science correspondent Ainslie Johnstone. Contributors: Ruth Itzhaki of the University of Oxford; Pascal Geldsetzer of Stanford University; and John Hardy of University College London.Transcripts of our podcasts are available via economist.com/podcasts.Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.
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Mar 12, 2025 • 38min

Geoffrey Hinton: AI is more human than you think

Geoffrey Hinton, one of the godfathers of artificial intelligence and a Nobel laureate in Physics, discusses the stunning evolution of AI, likening its cognitive abilities to those of the human brain. He reflects on his early work in deep learning and neural networks while contemplating the swift advancements in AI technology. Hinton emphasizes the balance between AI's potential benefits in healthcare and education against its existential risks. With insights on language models and the significance of memory, he paints a vivid picture of an AI-driven future.
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Mar 5, 2025 • 36min

The Large(r) Hadron Collider: what’s next for the world’s biggest experiment?

In 2012 scientists at the Large Hadron Collider (LHC) at CERN in Geneva found the Higgs boson. Things have been quiet since then on the “epic discovery” front—but that doesn’t mean the thousands of physicists working there have been idle. The collider is undergoing a years-long upgrade to make it even more powerful, so that it can probe even deeper into the fabric of our reality. When the LHC is eventually reborn as the “High-Luminosity LHC” by the end of the decade, it will begin a new chapter of discovery. We speak to the incoming boss of CERN to find out if the machine will finally lift the veil on the “new physics” that scientists have been searching for for decades.Alok Jha, The Economist’s science and technology editor, travels to the LHC at CERN in Geneva, where he meets the next director-general Mark Thomson, plus many of the scientists and engineers who are working on the LHC’s big upgrade. Transcripts of our podcasts are available via economist.com/podcasts.Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.
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Feb 26, 2025 • 43min

Designing babies: is there any future for gene-edited embryos?

The world was shocked in 2018 when He Jiankui, a Chinese biophysicist, announced that he had helped to produce two girls whose genetic code he had edited when they had been embryos. His aim had been to tweak a gene that sometimes confers protection against HIV infections. No one had ever used the CRISPR gene-editing tool in reproduction before and it was completely untested in embryos. Scientists around the world condemned the work as wildly premature and possibly dangerous—the Chinese authorities agreed and Dr He was imprisoned for three years. Now, more than six years later, Dr He is back. And he still wants to prevent medical conditions by editing human embryos. But will the world ever be ready for this use of gene editing? Or will newer methods of editing human genes prove more promising?Host: Alok Jha, The Economist’s science and technology editor. Contributors: Emilie Steinmark, science correspondent at The Economist; Chinese researcher He Jiankui; Henry (Hank) Greely of the Stanford Centre for Biomedical Ethics; Panicos Shangaris of King's College Hospital.Transcripts of our podcasts are available via economist.com/podcasts.Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.
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Feb 19, 2025 • 40min

Ruff translation, part two: could AI decode animal communication?

Translation is tricky business—not least when your subject belongs to a different species. But as evidence mounts that many animals are capable of rich, complex communication, scientists are trying to bridge the inter-species gap. Already, artificial intelligence has proved a valuable tool. But one ambitious technologist is trying to take these models even further. Could his new initiative one day allow humans to speak to their fellow animals? And what else might people learn in the process?Host: Kenneth Cukier, The Economist’s deputy executive editor. Contributors: Denise Herzing, founder of the Wild Dolphin Project; Aza Raskin, co-founder of the Earth Species Project, and The Economist’s Abby Bertics.Transcripts of our podcasts are available via economist.com/podcasts.Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.
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11 snips
Feb 12, 2025 • 44min

Ruff translation, part one: do animals have language?

Join Robert Berwick, a computational linguist from MIT, Federico Rossano, a cognitive science expert at UC San Diego, and Abby Bertics, a researcher specializing in non-human intelligence. They dive into the fascinating world of animal communication, comparing it to human language. The conversation explores whether animals possess their own languages and challenges our understanding of communication across species. Discover how AI could help decode these complex signals, reshaping our view of intelligence in the animal kingdom.
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Feb 5, 2025 • 4min

Trailer: Scam Inc

A sophisticated, predatory, multi-billion dollar industry is emerging from the shadows. It already rivals the size of the illicit drug trade. And it’s about to get bigger and much more powerful. The Economist’s Sue-Lin Wong follows a trail that starts with the collapse of a bank in rural Kansas to uncover a global, underground scam economy built around human trafficking, corruption and money laundering. Can it be stopped?Available now.To listen to the full series subscribe to Economist Podcasts+.
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7 snips
Feb 5, 2025 • 34min

Yann LeCun: the godfather of machine learning is building “a new revolution in AI”

Yann LeCun, Chief AI Scientist at Meta and a professor at NYU, is a luminary in machine learning. He discusses the groundbreaking R1 AI model by DeepSeek and its role in reshaping technology. LeCun advocates for rethinking AI beyond conventional language models, emphasizing the need for architectures that enhance reasoning and memory. He highlights the critical nature of open-source projects in fostering innovation, while also contemplating the balance of AI's potential benefits against its inherent risks and limitations.

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