In the article “Evolution of Human Intelligence” attempts to explain how human intelligences have evolved through the use of a didactic and scholarly tone. Doing so, the article uses a timeline to demonstrate chimpanzees and humans adapting over time. Chimpanzees make tools and use them to acquire foods and for display. They can learn to use symbols and understand aspects of human language including some relational syntax, concepts of number and numerical sequence. These animals have to adapt to this type of environment or die out. Modern humans developed language, figurative art, music, trade etc. 30,000 years ago. Socially chimpanzees live in groups of about 50, whereas humans typically live in a group of about 150 individuals. In the article it states “According to the social brain hypothesis, when hominids started living in large groups, selection favored greater intelligence.” which I find to be somewhat true, humans do tend to work better in larger social groups. There are so many interesting facts in this article but I would have to say I found the topic of sexual selection to be the most interesting. The article states “This means that less attractive individuals will find other less attractive individuals to mate with. If attractive traits are good fitness indicators, this means that sexual selection increases the genetic load of the offspring of unattractive individuals. Without sexual selection, an unattractive individual might find a superior mate with few deleterious mutations, and have healthy children that are likely to survive.” Is that true, do you really have to be attractive to stand a chance at survival? I personally don’t think so, because you can be a regular person and still find a