The biotechnology company had successfully pair-housed nearly all the macaques six years ... observed a ten-year-old female monkey pulling hair from its arms soon after its arrival.

The Barbary macaque is a monkey of many distinctions ... “One mother held her dead child in her arms for four days. This affected me deeply.” Unlike most primates, Barbary macaque males ...

In an illuminating investigation last year, Wired reported that one of the Neuralink chips implanted into a female macaque "deformed and ruptured" her brain, leaving the monkey with "severe ...