Michael Frachetti excavating in Tashbulak

Targeted excavating leads to lost city

Using modern, high-tech analysis tools, anthropologist Michael Frachetti is leading groundbreaking research on an ancient city high in the Uzbekistan mountains. The site may hold clues to how medieval civilizations changed when diverse communities integrated — and even suggest how we might consider our own current initiatives of global community-building.

Researcher seeks ways to sequester carbon dioxide

Photo by David Kilper / WUSTL PhotoGiammar discusses a batch reaction cell.As global temperatures continue to rise, many methods have been proposed to deal with the excess of carbon dioxide in the atmosphere. An environmental engineer at Washington University in St. Louis just wants the problem to go away – out of the atmosphere, into the earth.