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Science

Let's Science

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Latest episodes

  • Not All Roads Lead to Rome

    October 3, 2026 · 17 min

    Not all roads led to Rome. Lindsay Sant and Lino Saubolle look at new research built on Itiner-e, the biggest map of Roman roads ever made, and the three myths it busts. Plus listeners share their citizen-science stories. The post Not All…

  • Your Smile Lights Up Your Dog’s Brain

    September 19, 2026 · 19 min

    Smile at your dog, and its brain may register a reward. Caroline Knight, Lindsay Sant, and Lino Saubolle unpack a new brain-scan study showing dogs' brains separate happy faces from sad, fearful, and angry ones. The post Your Smile Lights…

  • Announcing Holy Troublemakers

    September 9, 2026 · 2 min

    Announcing Holy Troublemakers, a new podcast from StarQuest. In this weekly podcast host Dom Bettinelli will introduce you to the difficult people who built the Catholic Church. From mystics who argued with popes to missionaries who walked…

  • Scientists Can’t Be Everywhere — So They Need You

    August 22, 2026 · 21 min

    Scientists can't be everywhere. Volunteers with smartphones are catching invasive species, rescuing 19th-century weather logs, and flagging new objects in the night sky. Lindsay Sant and Lino Saubolle on becoming a citizen scientist. The…

  • Sugar Between the Stars

    August 8, 2026 · 20 min

    There's real sugar drifting between the stars, 26,000 light years out, and it's the same kind that turns up in raspberries. Caroline Knight, Lindsay Sant and Lino Saubolle on the first true sugar ever found in space. The post Sugar…

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  • The Chernobyl Fungus That Eats Radiation

    July 25, 2026 · 19 min

    A black fungus that eats radiation? Found in the ruins of Chernobyl, it could shield astronauts headed to Mars. Caroline Knight, Lindsay Sant, and Dom Bettinelli unpack radiosynthesis and the living space shield it inspired. The post The…

  • The First Dentist Was a Neanderthal

    July 11, 2026 · 19 min

    Sixty thousand years before modern dentistry, a Neanderthal endured a 35-minute stone-tool drilling procedure — no anesthesia — and survived. Caroline Knight explains what a 59,000-year-old infected molar reveals about prehistoric…

  • Her Brain Told Her She Was Dying — and It Was Right

    June 13, 2026 · 19 min

    A calm voice spoke inside a healthy woman's head, insisting she had a brain tumour — then a scan proved it right. Caroline Knight, Lindsay Sant, and Lino Saubolle unpack a baffling real medical case and the hidden power of the human…

  • Why Some Days You’re Unstoppable (And Others You Can’t Move)

    May 30, 2026 · 18 min

    Some days everything clicks. Other days your brain won't cooperate. A University of Toronto study traces that gap to daily shifts in mental sharpness. Caroline Knight, Lindsay Sant, and Lino Saubolle break down the science. The post Why…

  • No Beak, No Problem: Meet Bruce the Champion Kea

    May 16, 2026 · 15 min

    A kea parrot with no upper beak shouldn't be able to fight, groom, or lead. Bruce does all three, and better than any intact bird in his group. Caroline Knight, Lino Saubolle, and Lindsay Sant on the science of radical adaptation. The…

  • One Giant Leap (Again): The Science of Artemis II

    May 2, 2026 · 35 min

    For the first time since 1972, humans left low Earth orbit and headed to the moon. Caroline Knight, Lindsay Sant, and Lino Saubolle unpack the Artemis II mission: the crew, the records, and yes — the toilet. The post One Giant Leap…

  • Freeze, Thaw, Fire: The Science of Reviving Frozen Brains

    April 18, 2026 · 17 min

    Freeze a brain, thaw it out, watch the neurons fire. Caroline Knight and Lindsay Sant break down the vitrification breakthrough that kept mouse hippocampus tissue functional after seven days at -150°C — and what it could mean for…

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About the show

Let’s Science! is a podcast that explores the wonders of science with curiosity, clarity, and joy. Each episode breaks down scientific discoveries, natural phenomena, and everyday science topics in an accessible and engaging way — from space and biology to technology and the world around us. Hosted by an enthusiastic panel from Australia, the show celebrates science as a path to understanding creation and our place within it. If you enjoy learning how things work and asking big questions about the universe, Let’s Science! makes discovery fun and approachable.