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The company behind a now-discredited study on hydroxychloroquine also posted a report that has been cited by Latin American governments recommending ivermectin as a possible coronavirus treatment. Clinicians there say the effects have been extremely damaging.

Advances in imaging technology over the last century have allowed increasingly sophisticated glimpses into the ancient processes of mummification.

Under lockdown in a hotel, members of a plant ecology course continue to work and study as they seek a way to return home.

At an archaeological site in Peru, researchers have found the remains of hundreds of children and llamas sacrificed in the 15th century.

Prehistoric Andeans seemed especially fond of trepanation—holes drilled in the skull as a treatment for various ills.

A study of Shuar children in Ecuador provides a window into how the human body responds to infection in the sorts of conditions that shaped our species’ evolution.

Pathogen traces recovered from Peruvian mummies suggest tuberculosis-causing bacteria rode from Africa to South America in pinnipeds.