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1, 000-year-old Peruvian mask’s red paint contains human blood, study finds

Enlarge / A red paint sample taken from a 1, 000-year-old mask excavated through 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 […]

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Dark Archives: Come for the floating goat balls, stay for the fascinating science

Enlarge / These might look like your standard leather-bound texts, but they are actually bound in human skin—a practice known as “anthropodermic bibliopegy.” All five are housed in the Mütter Museum in Philadelphia. (credit: Mütter Museum/College of Physicians of Philadelphia)) There’s rarely time to write about every cool science-y story that comes our way. So […]

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Scientists ID potential biomarkers to peg time of death for submerged corpses

Enlarge / Ophelia (1852) by John Everett Millais, inspired by the character in Shakespeare’s Hamlet, who goes mad and drowns in a brook. It can be challenging for forensic scientists to determine how long a dead body has been submerged in water. There’s rarely time to write about every cool science-y story that comes our […]