By definition, a midden is a 鈥渞efuse heap,鈥 but in the case of a new Mitchell Center project, the heap is cultural gold and a window into Earth鈥檚 past. Titled 鈥淐reating a 海角社区 Midden Minder Network and Database,鈥 the project is being led by Alice Kelley, U海角社区 geoarchaeologist in the School of Earth and Climate read more Minding 海角社区’s Middens