They’re artificial at half of all N.F.L. stadiums NYT Crossword Clue

The crossword clue "They're artificial at half of all N.F.L. stadiums" refers to the use of artificial grass surfaces in some NFL stadiums. Artificial turf is preferred due to its durability, ease of maintenance, and weather resistance. Currently, about half of all NFL stadiums use turf fields, reflecting the widespread adoption of synthetic playing surfaces.