Attitudes towards experimenting on monkeys are diverging

 In 2014 a German animal-rights group called SOKO Tierschutz planted a caretaker in the laboratory of Nikos Logothetis, a neuroscientist working at the Max Planck Institute in Tübingen. The infiltrator secretly filmed around 100 hours of lab work over six months, some of which was later broadcast on German television. Read more.