Research proposes new theories about nature of Earth's iron

Research proposes new theories about nature of Earth's iron 03/21/2017 11:48 AM EDT New research challenges the prevailing theory that the unique nature of Earth's iron was the result of how its core was formed billions of years ago. Full story at https://news.uchicago.edu/article/2017/03/16/research-proposes-new-theories-about-nature-earths-iron Source University of Chicago This is an NSF News From the Field item.   Follow NSF:  This email was sent using GovDelivery, on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111