Épisodes

  • 🔬 A 100-Million-Year-Old Black Hole Just Woke Up — And That's Only the Start

    🔬 A 100-Million-Year-Old Black Hole Just Woke Up — And That's Only the Start
    Feb 21 2026
    Astronomers have captured one of the clearest views yet of a dormant black hole roaring back to life, shooting jets of energy nearly a million light-years across space. Closer to home, a common bacterium linked to pneumonia is now being investigated for its potential role in Alzheimer's disease, with researchers finding higher levels of it in patients carrying a known high-risk gene. A five-thousand-year-old bacterium thawed from a cave has shown resistance to modern antibiotics, proving antibiotic resistance is an ancient survival strategy buried in Earth's ice. Scientists at Mount Sinai have developed a cunning new cancer immunotherapy that doesn't attack tumors directly — instead, it flips the tumor's own protective cells against it. From psychedelics rewiring how the brain constructs reality to Charles Darwin's sealed specimen jars finally giving up their secrets without being opened, this episode is packed with discoveries that challenge what we thought we knew.

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    9 min
  • 🔬 The Origin of Complex Life Just Got Rewritten — And That's Not Even the Biggest Story

    🔬 The Origin of Complex Life Just Got Rewritten — And That's Not Even the Biggest Story
    Feb 20 2026
    Two bombshell discoveries are forcing scientists to rethink how complex life on Earth first emerged, from oxygen-loving ancient microbes to a bizarre giant virus that may rewrite the role viruses played in our own evolution. Researchers have also mapped an Alzheimer's brain in unprecedented chemical detail, uncovering disruptions far beyond the amyloid plaques that have long dominated the conversation. On the cancer front, a counterintuitive melanoma treatment finding and a newly cracked immune-evasion mechanism in a rare liver cancer are opening unexpected doors for patients. Elsewhere, the Southern Indian Ocean is losing salt at an alarming rate with potentially sweeping consequences for global climate, and a high-altitude mystery about diabetes has finally been solved. Plus, your bubble tea habit and your post-run recovery routine may both be due for a second look.

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    9 min
  • 🔬 A Supermassive Black Hole Is Silencing the Universe — Plus Alzheimer's Predictions, Real Hobbits, & A Fasting Myth Busted

    🔬 A Supermassive Black Hole Is Silencing the Universe — Plus Alzheimer's Predictions, Real Hobbits, & A Fasting Myth Busted
    Feb 19 2026
    Scientists using the James Webb Space Telescope just discovered that supermassive black holes may be suppressing star formation across intergalactic distances — rewriting our understanding of cosmic evolution. In human health, a new blood test can now predict Alzheimer's symptoms years before they appear, while an international panel identified three already-approved drugs — including a surprising household name — that could be repurposed to fight the disease. Researchers have also uncovered the likely cause behind the extinction of the real-life 'hobbits' of Flores Island, pointing to a catastrophic centuries-long drought around 61,000 years ago. On the chemistry front, scientists have finally synthesized a silicon aromatic ring after nearly 50 years of theory, potentially unlocking an entirely new class of materials. And a landmark Cochrane review just dealt a major blow to one of the most popular diet trends of the last decade.

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    9 min
  • 🔬 Fentanyl Redesigned: Scientists Crack the Code on Safer Pain Relief

    🔬 Fentanyl Redesigned: Scientists Crack the Code on Safer Pain Relief
    Feb 18 2026
    Researchers at Scripps Research have achieved the unprecedented—redesigning fentanyl at the molecular level to preserve pain relief while dramatically reducing fatal respiratory depression and addiction potential. Also covered: a patient who survived 48 hours without lungs using artificial life support, evidence that early Earth microbes were breathing oxygen hundreds of millions of years before the Great Oxidation Event, and a CRISPR tool that reverses antibiotic resistance in superbugs. Plus, a 125-million-year-old dinosaur with never-before-seen hollow spikes, breakthrough silicon photonics, and engineered stem cells that mass-produce cancer-fighting immune cells.

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    9 min
  • 🔬 Ancient DNA Reveals Rare Disease, Alzheimer's Drug Target Discovered & Magma Surge Detected at Santorini

    🔬 Ancient DNA Reveals Rare Disease, Alzheimer's Drug Target Discovered & Magma Surge Detected at Santorini
    Feb 17 2026
    This week's episode takes you from a 12,000-year-old burial site where DNA analysis uncovered rare genetic disease in Ice Age humans, to the discovery of two brain receptors that could revolutionize Alzheimer's treatment with affordable pill-based therapies. We explore how an ultra-fast pulsar near our galaxy's supermassive black hole could unlock secrets of extreme gravity, examine groundbreaking battery technologies challenging lithium-ion dominance, and reveal what 28,000 earthquakes at Santorini told scientists about rising magma. Plus: the surprising truth about compulsive behaviors, a blood test detecting cancer before scans can see it, and evidence that cash assistance programs don't cause the harms critics fear.

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    7 min
  • 🔬 Scientists Just Found Brain Training From Decades Ago Still Protects Against Dementia

    🔬 Scientists Just Found Brain Training From Decades Ago Still Protects Against Dementia
    Feb 16 2026
    This episode covers groundbreaking research revealing how brief cognitive training sessions may protect against dementia for up to 20 years. We also explore shocking new calculations suggesting the universe could begin collapsing in a 'big crunch' within 20 billion years, multiple cancer breakthroughs including the discovery of a chromosome-shattering enzyme, and surprising findings about intermittent fasting's effectiveness for weight loss. Plus, we discuss how worrying about aging might accelerate the aging process, why sugary drinks are linked to teen anxiety, and the remarkable discovery of a bonobo engaging in pretend play previously thought unique to humans.

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    7 min
  • 🔬 NASA Probe Cracks Century-Old Solar Mystery & Scientists Discover How to Program Your Dreams

    🔬 NASA Probe Cracks Century-Old Solar Mystery & Scientists Discover How to Program Your Dreams
    Feb 15 2026
    NASA's Parker Solar Probe delivers groundbreaking data that finally explains how solar wind accelerates from the Sun's surface—solving a 100-year-old puzzle critical for predicting space weather. Northwestern researchers have successfully planted ideas in people's dreams, with 75% of participants dreaming about cued puzzles and solving them more effectively the next day. New imaging reveals how psychedelics work by quieting sensory input and flooding the brain with memory fragments, creating a waking dream state. Plus: a massive review debunks most statin side effects, bird species separated by millions of years share a universal alarm language, and scientists map mysterious deep-mantle earthquakes for the first time.

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    8 min
  • 🔬 Massive Star Vanishes Without Exploding—What Scientists Just Witnessed

    🔬 Massive Star Vanishes Without Exploding—What Scientists Just Witnessed
    Feb 14 2026
    This week on Peer Review'd: A giant star 2.5 million light-years away quietly collapses into a black hole, rewriting stellar death theory. We explore the planetary system that defies formation rules, breakthrough brain stimulation that makes people more generous, and the 20-year medical mystery about bile acids finally solved. Plus, quantum refrigerators that could revolutionize computing, freshwater snails that regrow eyes in 30 days, and why your brain actually adapts during menopause rather than simply declining.

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    7 min