Inside the black box of iron oxide formation

Inside the black box of iron oxide formation

Young-Shin Jun, an engineer at Washington University in St. Louis, has developed a new use for a high-energy X-ray technique that has allowed her the first glimpse at the formation of iron hydroxides on a quartz surface. The implications are sweeping.
Secrets of the ‘lost crops’ revealed where bison roam

Secrets of the ‘lost crops’ revealed where bison roam

Research from Washington University in St. Louis helps flesh out the origin story for the so-called “lost crops” of the Midwest and Northeast. These plants that may have fed as many Indigenous people as maize, but until the 1930s had been lost to history. Natalie Mueller, assistant professor of archaeology in Arts & Sciences at Washington University in St. Louis, shares evidence that bison were “co-creators” — along with Indigenous peoples — of landscapes of disturbance that gave rise to greater diversity and more agricultural opportunities.
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