Maya Blue, a pigment crafted over 1,000 years ago, resists acids, solvents, and intense weather. Ancient Mayans created this hyper-durable nano-composite by heating indigo and clay—and used it to pain

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TIL that a wooden hunting bow found in a lake in Alaska was radiocarbon dated to approximately 460 years old, despite having been exposed to the elements for an unknown amount of time
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