A new three-way bond-breaking and making mechanism makes the synthesis of five-membered rings easier than before.

A 28-year-old has died following a two-vehicle crash along Route 40 in Fayette County Wednesday night. VIDEO: Top stories on Jan. 7, 2026 Sign up for our Newsletters Fayette County Coroner Bob Baker ...

WASHINGTON, Jan 8 (Reuters) - U.S. worker productivity grew at its fastest pace in two years in the third quarter as businesses invested heavily in artificial intelligence, depressing labor costs.

Officials said at least two people were injured following a crash in Allegheny County on Sunday afternoon. VIDEO: Top Stories on Pittsburgh's Action News 4 Sign up for our Newsletters PennDOT ...