Why Did These Vikings' Bones Appear Older Than They Are?
Clip: Season 46 Episode 10 | 2m 18sVideo has Closed Captions
Hint: Carbon in the ocean is different than carbon on land.
Archaeologists discovered a mass grave of what they thought to be ninth-century Vikings. But for some reason, the radiocarbon dates of their bones, found by measuring a radioactive carbon isotope, appeared much older.
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Why Did These Vikings' Bones Appear Older Than They Are?
Clip: Season 46 Episode 10 | 2m 18sVideo has Closed Captions
Archaeologists discovered a mass grave of what they thought to be ninth-century Vikings. But for some reason, the radiocarbon dates of their bones, found by measuring a radioactive carbon isotope, appeared much older.
Problems playing video? | Closed Captioning Feedback
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Video has Closed Captions
Preview: S46 Ep10 | 28s | Bioarchaeologists investigate a 9th-century mass grave thought to hold a lost Viking army. (28s)
Who Was This High-Status Viking Warrior?
Video has Closed Captions
Clip: S46 Ep10 | 1m 55s | DNA evidence reveals surprising truth about the identity of a revered 9th-century Viking. (1m 55s)
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National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.