Origin of human genus not in response to climate change claims new study
8/04/2017 06:00:00 PM
An often cited claim that humans, who are smarter and more technologically advanced than their ancestors, originated in response to climate change is challenged in a new report by a Center for the Advanced Study of Human Paleobiology researcher at George Washington University.
Many scientists have argued that an influx, described as a “pulse,” of new animal species appear in the African fossil record between 2.8 and 2.5 million years ago, including our own genus Homo. Experts believe it takes a broad-scale event like global climate change to spark the origination of so many diverse new species. However, W. Andrew Barr, a visiting assistant professor of anthropology, published a report that says it’s possible the pulse of new species could have occurred by chance and might not be directly related to climate change.
Read more at
https://archaeologynewsnetwork.blogspot.com/2017/08/origin-of-human-genus-not-in-response.html#Uk9ADy07H8tKeIDc.99
