Invasive Cheatgrass Spreads Under City Lights

Cortez Deacetis

In his seminal 1949 guide A Sand County Almanac, American naturalist Aldo Leopold warned of the perils of cheatgrass—a tall and furry invasive plant that originated in Europe and Asia. Currently cheatgrass outcompetes indigenous species throughout large swaths of the western U.S., displacing sagebrush steppe grasses and threatening grain and […]

Entire Roman city revealed without any digging

Cortez Deacetis

Image: Ground Penetrating Radar map of the freshly discovered temple in the Roman metropolis of Falerii Novi, Italy. view more  Credit history: L. Verdonck For the very first time, archaeologists have succeeded in mapping a full Roman metropolis, Falerii Novi in Italy, using superior floor penetrating radar (GPR), making it possible […]