Lead in archived hair documents a decline in lead exposure to humans since the establishment of the US Environmental Protection Agency~enviro~research.studies~scienceusa.utepaleadpollution> Concentrations of Pb in human hair from the Salt Lake City region population… morewww.pnas.org Feb 3, 2026Tildes
Geologists may have solved mystery of Green River's 'uphill' route~news.science~sciencegreen riveruinta mountainsusa.cousa.utgeology> New research may have solved an American mystery which has baffled geologists… morephys.org Feb 2, 2026Tildes