Abstract elementary classes (AECs) constitute a broad framework within model theory that extends classical first‐order logic, accommodating structures and theories that lie beyond its reach. By ...

Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...

While speaking with Insider, Quinta Brunson shared that Abbott Elementary wouldn’t explore critical race theory. Critical race theory, or CRT, is a concept that some schools teach. To summarize, CRT ...

Back in the hazy olden days of the pre-2000s, navigating between two locations generally required someone to whip out a paper map and painstakingly figure out the most optimal route between those ...