An Ancient Iron World
Special | 45m 40sVideo has Closed Captions
Clark Johnson discusses the impact of ancient iron deposits on life on Earth.
Clark Johnson, Distinguished Professor, Department of Geoscience, UW-Madison, discusses how iron formations were created three billion years ago. Johnson focuses on the impact the ancient “iron world” had on the evolution of early life on Earth and still has as we continue to mine this ancient ore.
University Place is a local public television program presented by PBS Wisconsin
University Place is made possible by the Corporation for Public Broadcasting.
An Ancient Iron World
Special | 45m 40sVideo has Closed Captions
Clark Johnson, Distinguished Professor, Department of Geoscience, UW-Madison, discusses how iron formations were created three billion years ago. Johnson focuses on the impact the ancient “iron world” had on the evolution of early life on Earth and still has as we continue to mine this ancient ore.
How to Watch University Place
University Place is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
More from This Collection
The Legendary Foundations of Ancient Vietnam
Video has Closed Captions
Nam C. Kim presents archaeological research on Vietnam, including the ancient city Co Loa. (55m 52s)
Pollutants, Parasites, and You
Video has Closed Captions
Jessica Hua looks at how pollutants in the environment influence natural ecosystems. (56m 34s)
Video has Closed Captions
Caitlin Carlson Calhoun describes how leaf cutter ants help with antimicrobial resistance. (49m 17s)
Warmer Winters and Wavier Jet Streams
Video has Closed Captions
Jonathan Martin talks about how climate change is affecting winters in Wisconsin. (52m 56s)
Basics of Solar Cells and Solar Energy in Wisconsin
Video has Closed Captions
Michael Arnold explains how solar cell efficiency increases while prices decrease. (56m 56s)
Finding Ancient Minds in the Human Evolutionary Tree
Video has Closed Captions
John Hawks gives an update on Homo naledi research in South Africa. (56m 37s)
Video has Closed Captions
John Shutske looks at new technologies in agriculture and the implications for safety. (59m 44s)
Acupuncture in Animals and Traditional Chinese Medicine
Video has Closed Captions
Lindsey Snyder looks at the use of acupuncture in the field of veterinary medicine. (57m 25s)
How the Suburbs Were Segregated
Video has Closed Captions
Paige Glotzer describes how the real estate industry shaped residential segregation. (52m 3s)
Gut Microbes and Circadian Rhythms
Video has Closed Captions
Vanessa Leone explains the health effects of microorganisms in our body. (43m 31s)
Salt in Wisconsin's Freshwaters
Video has Closed Captions
Hilary Dugan explores the salinization of freshwaters and how to stop this trend. (39m 45s)
Working in the Field of Prosthetics
Video has Closed Captions
Amy Paulios shares stories of restoring mobility to those who experience limb loss. (42m 11s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
University Place is a local public television program presented by PBS Wisconsin
University Place is made possible by the Corporation for Public Broadcasting.