Nature is the ultimate nanofabricator. The latest evidence of that is an unusual shard of ancient Roman glass (dubbed the "wow glass") that boasts a thin, golden-hued patina.

GLENN DALE, Md. — Upper Crust Baker, operating as Crest Hill Bakery, has issued a recall for three bread products that may contain glass shards. The April 12 recall affects Ancient Grains Hoagie ...

GLENN DALE, Md. — Upper Crust Baker, operating as Crest Hill Bakery, has issued a recall for three bread products that may contain glass shards. The April 12 recall affects Ancient Grains Hoagie ...