Archeology and Anthropology
New research finds grassland expansion drove the decline of giant mammals over the last 4.6 million years
New research disputes a long-held view that our earliest tool-bearing ancestors contributed to the demise of large mammals in Africa over the last several million years. Instead, the researchers argue that long-term environmental change drove the extinctions, mainly in the form of grassland expansion likely caused by falling atmospheric carbon dioxide (CO2) levels.
Join us for Archaeology Day at NHMU as we celebrate Utah's rich archaeological history and resources.
Like her mother before her, 84 year-old weaver Salina Begay, creates Navajo rugs the old fashioned way. With help from her daughter, Begay raises her own sheep, cards, spins and dyes the wool, then weaves the yarn into traditional Navajo patterns.
Modern ethnographic jar made by the late Joy Navasie (Frog Woman), a Hopi-Tewa potter.
Catalog number is ET578
Donated by Dr. Allan Nelson, MD, Chicago, Illinois in 2013