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Nov 4, 2021, 2:35 pm150 pts
Ars Technica
Enlarge / A red paint sample taken from a 1,000-year-old mask excavated from a Sicán tomb in Peru contains human blood and bird egg proteins, in addition to a red cinnabar pigment. (credit: Adapted from E. Pires et al., JPR, 2021) Ever since a 1,000-year-old gold mask was excavated from a tomb in Peru 30 years…
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