The article Like Humans, Monkeys Fall Into The 'Uncanny Valley', discusses the study of monkeys' reactions when shown images of other monkeys. Some of the images resembled real monkeys; some images did not resemble monkeys and the other images sort of resembled real monkeys. The real monkeys were frightened by the less than real images and quickly ran away from them.
Immaculate prosthetic limb concept makes combines fun again, discusses the invention of the Immaculate prosthetic limbs. A jewelry designer, Hans Alexander Huseklepp, stylized the Immaculate artificial limb to appear non-human like to avoid the uneasiness of the Uncanny Valley phenomenon with artificial limbs.