Since 1973, Freedom House has assessed the condition of political rights and civil liberties around the world. It is used on a regular basis by policymakers, journalists, academics, activists, and ...
"Our IFPA map of Antarctica’s subglacial landscape reveals that an enormous level of detail about the subglacial topography of Antarctica can be inverted from satellite observations of the ice surface ...
HAN DYNASTY TOPOGRAPHIC MAP. DATE: Before 168 B.C. MATERIAL: Ink on silk. DIMENSIONS: 3 feet by 3 feet. FOUND: Hunan, China. In 168 B.C., a lacquer box containing three maps drawn on silk was placed ...