Two of the most rapidly changing glaciers in Antarctica, which are leading contributors to sea-level rise, may behave as an interacting system rather than separate entities, according to a new analysis of radar data.
Secretary of State Rex Tillerson visited the Hoover Institution on Wednesday to give a speech on U.S. policies in Syria. He said a continuing presence of U.S. troops in the country is needed to stabilize the area.
Political scientist Anna Grzymala-Busse finds that authoritarians face a choice in the face of change: try to cling to power, exit governing or reinvent themselves as democrats. It’s those who reinvent themselves as newly minted democrats who fare the worst in the long run.