彩民宝典

Antarctica鈥檚 Thwaites Glacier is retreating rapidly as a warming ocean slowly erases its ice from below, leading to faster flow, more fracturing and a threat of collapse. The glacier is the size of Florida or Britain and currently contributes four percent of annual global sea-level rise.

Contributions from citizen scientists are helping researchers identify different types of aurora-like light emissions and constrain how and where in Earth鈥檚 atmosphere those light emissions are generated.

When the University of Florida barred three professors from testifying in a lawsuit over voting restrictions, it raised important questions of academic freedom and free speech. Colorado Law Professor Helen Norton shares on The Conversation.

Gangs have changed in the decades since 鈥淲est Side Story鈥� first came out鈥撯�搕hey are deadlier, and their demographics are different鈥撯�揳s are the means law enforcement use to control them. Sociology professor David Pyrooz and colleagues share on The Conversation.