A mysterious coffin found under Notre Dame is full of unexpected discoveries. Can scientists identify the man buried inside?

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Wildfire smoke can carry thousands of living microorganisms, like bacteria and fungi, across long distances. Some of them could potentially infect humans. With wildfires on the rise, experts are studying the risk this poses to our health.

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The chemical that makes chili peppers so hot evolved to keep animals from eating the plants, but humans have learned to like the sensation.

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Megafires like those in California can spawn deadly fire tornadoes with incredibly powerful winds. But what causes the flames to start spinning?

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This curious little robot is searching for healthy coral reefs by listening to how they sound.

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A mysterious coffin found beneath the damaged floor of Notre Dame is full of unexpected discoveries. The lead sarcophagus appears to have been moved and there are no identifying markers. Who is the John Doe buried inside? Follow scientists on a forensic journey as they collect enamel from the teeth and a few grams of bone to try to discover the identity of the mystery man buried under Notre Dame.

📺 Watch the full documentary, "Lost Tombs of Notre Dame" https://www.pbs.org/wgbh/nova/video/lost-tombs-of-notre-dame/

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Molecular bonds make sounds like the strings of an instrument, even if we can’t hear them.

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A Black family uses DNA technology to unlock secrets of the past

Many Black families in America don’t have robust ancestry records because of the legacy of slavery and family separation. But this documentary filmmaker is on a mission: use DNA technology to solve the mysteries of his family tree.

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A new generation of researchers is revealing the rich history, innovation, and resilience of the Rapanui people. These giant stone heads on Easter Island were not dragged on sleds, as once thought.

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