Dogs & Humans: Closer than Friends?

Dog And Human Genomes Evolved Together Yet another topic we talk about is how dogs were domesticated. Domestication is, in some ways, a reasonable model for evolution, because it involves heritable variation that is selected for or against–in this case, by humans. It is generally agreed at this point that modern dogs descended from the…

Orangutan mating

Did you know there are two forms of adult male orangutans? This little-understood differential growth in males is called “bimaturism” or “arrested development”.The first type, called flanged male, is the typically depicted male orangutan with the big cheek pads (flanges) and a large throat sack under the chin for making long calls. The flanged male…