Christopher X J. Jensen
Associate Professor, Pratt Institute

Do humans form genetically similar social groups independent of kinship?

Posted 26 Jul 2014 / 1

Proponents of kin selection as the most parsimonious explanation of how cooperation evolves face a problem when it comes to humans: counter to the predictions of kin selection theory, humans aim a fair amount of altruism at non-kin. While we do not aim our helping behaviors solely at our relatives, we also do not randomly Read More

A Major Post, Altruism, Articles, Behavior, Cooperation, Genetics, Group Selection, Human Evolution, Kin Selection, Psychology, Radio & Podcasts, Reciprocity, Social Networks, Sociology

Delayed Development and Human Evolution

Posted 16 Nov 2010 / 0

For hundreds of thousands of years, Homo neanderthalensis was the dominant hominid species of Europe and the Middle East. Then, somewhere in the range of 80,000 to 50,000 years ago, modern humans (Homo sapiens) expanded out of Africa and came in contact with the Neanderthals. Although there is some evidence of limited interbreeding between Homo Read More

Articles, Development, Homo species, Human Evolution, Radio & Podcasts