Morphological Diversity of Random Town

Tally spent the day walking around the city, marveling at how different it was from her own. She saw new pretties and uglies hanging out together, friends that the operation hadn't separated. And littlies clinging to their ugly older brothers and sisters instead of being stuck in Crumblyville with their parents. Those small changes were almost as surprising as the wild facial structures, skin textures, and body mods she encountered. Almost. It might take a while to get used to coats of downy...

 Human Race Differences the Result of Sexual Selection

Most of the genetic differences between races are trivial. And yet others, those physical differences between a Japanese individual and a Finn, a Masai, and an Inuit, are striking. We have the interesting situation, then, that the overall differences in gene sequences between peoples are minor, yet those same groups show dramatic differences in a range of visually apparent traits, such as skin color, hair color, body form, and nose shape. These obvious physical differences are not characteris...