A new material developed at Penn State defies a fundamental law of physics, opening doors to highly efficient solar cells.

The responsibility to protect is more than a principle — it is a moral imperative, rooted in our shared humanity and the U.N.

Least of All Possible Evils: A Short History of Humanitarian Violence by Eyal Weizman Publication date 2017 Publisher Verso Books Collection internetarchivebooks; inlibrary; printdisabled Contributor ...