Babbage from The Economist

Wearable devices, such as fitness trackers and smartwatches, can measure a growing array of health indicators. Machine learning can filter that torrent of data to reveal a continuous, quantified picture of you and your health. But wearables linked to health apps are not only able to help diagnose diseases—they are beginning to treat them too. We explore the technology that promises to revolutionise health care. Alok Jha hosts.

Listen to our recent episodes on the use of wearable technologies in health care at economist.com/babbagewearables.

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New diseases are inevitable, but pandemics are not. As the threat from covid-19 recedes, how can the world stop new pathogens from becoming health emergencies? Business leader and philanthropist Bill Gates has long warned of the risk that a novel virus would go global. He tells Geoff Carr, The Economist’s science and technology editor, about his plan to pandemic-proof the planet. Alok Jha hosts.

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In 2012, the discovery of the gene-editing tool CRISPR-Cas9 revolutionised scientists’ ability to modify DNA. Ten years on, host Alok Jha speaks to Jennifer Doudna, the Nobel laureate who pioneered the technology. She explains how CRISPR could transform healthcare and the food supply—and help with the fight against climate change. Plus, how does she grapple with the ethical questions raised by the technology she helped to invent?

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The war in Ukraine is causing countries to rethink their dependence on Russian energy. Some governments are turning to nuclear power. While unpopular, it is one of the safest and most sustainable forms of energy—and an essential weapon in the fight against climate change. Can innovations in technology and engineering help to revive the nuclear industry? Alok Jha hosts.

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In its latest report, the Intergovernmental Panel on Climate Change warned that the window to fulfil UN climate targets is vanishing. Emissions must peak by 2025 if the world is to meet the Paris Agreement goals. Decisions made this year could determine whether or not that will be possible. Amid war in Ukraine and a deepening energy crisis, will the clean-energy transition happen fast enough?

Vijay Vaitheeswaran hosts, with The Economist’s environment editor Catherine Brahic, and Oliver Morton, The Economist’s briefings editor.

Explore The Economist’s coverage on climate change at economist.com/climate-change. For full access to The Economist’s print, digital and audio editions subscribe at economist.com/podcastoffer and sign up for our weekly science newsletter at economist.com/simplyscience.

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Squashing malaria could, over the next three decades, save as many lives as covid-19 has taken. We explore new ways to fight infections: from the introduction of the first malaria vaccines, to genetically modified mosquitoes. What would it take to vanquish one of the world’s deadliest diseases? Alok Jha hosts.

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Destroying an opponent’s ability to communicate is an elementary military tactic. We examine the technologies helping Ukraine to stay connected: from SpaceX’s satellite-internet service, to shortwave radio. Also, what role is social media playing on the front line and in the information war? Alok Jha hosts.

Keep up-to-date with the developing situation in Ukraine at economist.com/ukraine-crisis

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Additional audio courtesy of Radio Free Europe/Radio Liberty.

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Two years after a pandemic was declared, the coronavirus crisis is far from over. Host Alok Jha speaks to Sir Jeremy Farrar, the director of the Wellcome Trust, one of the world's largest medical research foundations. Sir Jeremy has been at the heart of the global fight against covid-19. He assesses China’s zero-covid policy, and explores what lies ahead for the pandemic. Also, Natasha Loder, The Economist’s health policy editor, examines the ongoing vaccination effort.

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Billions of dollars are being pumped into technologies that hope to reduce the effects of ageing. Host Alok Jha explores the latest research in the field—from regenerating organs to rejuvenating cells—and whether these efforts could help to conquer debilitating human diseases. Is anti-ageing more than just a pipe-dream for Silicon Valley startups? 

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A sleep deficit in the rich world has led to a boom in the sleep-tech industry. This week, we investigate the products designed to help consumers monitor and improve their slumber. And, what innovations could transform sleep in the future? Alok Jha hosts.

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