The following sources were consulted in the preparation of the article “11 abilities humans once had and forgot.”
- The genetics of vitamin C loss in vertebrates
- People with tails? No, because of this ancient genetic mutation
- The physiological study of emotional piloerection: A systematic review and guide for future research
- Vestigial auriculomotor activity indicates the direction of auditory attention in humans
- Persistent unilateral nictitating membrane in a 9-year-old girl: A rare case report
- Biology of tooth replacement in amniotes
- Canine size, shape, and bending strength in primates and carnivores
- A clear, molecular view of the evolution of human color vision
- The panniculus carnosus muscle: an evolutionary enigma at the intersection of distinct research fields
- Study: 96 percent of vertebrates descended from common ancestor with ‘sixth sense’
- Deeper origin of gill evolution suggests ‘active lifestyle’ link in early vertebrates
