21. Smaller brains and shorter heads are also a result of neoteny as they carry juvenile characteristics into adulthood. 22. :It's also been noted that the space aliens imagined by earthlings are characterized by neoteny . 23. Somel et al . said that this difference was in accordance with the neoteny hypothesis of human evolution. 24. The syndrome is characterized by decelerated maturation ( neoteny ), incomplete morphogenesis ( vestigia ) and atavisms. 25. Neoteny of the human body is indicated by glabrousness ( hairless body ) . the structure of the foot;26. In contrast, Cunningham said that faces that were " low in neoteny " were judged as " intimidating ". 27. In some species, energy costs result in neoteny , as in the insect families Gerridae, Delphacidae, and Carabidae. 28. Similarly, neoteny is found in a few species of the crustacean family Ischnomesidae, which live in deep ocean waters. 29. Moreover, a human skull with its large eye sockets displays a degree of neoteny , which humans often find dead. 30. Specifically, cats exhibit behavioral neoteny , meaning we have selected for cats which maintain kitten-like qualities into adulthood.