Ancient bird gland gives up its chemical secrets

Molecules used to preen feathers identified in 48-million-year-old fossil. Molecules used to preen feathers identified in 48-million-year-old fossil.
Author Affiliations: Ancient bird gland gives up its chemical secrets Organic molecules extracted from a 48-million-year-old fossilized bird are the remains of lipids produced by a gland involved in feather [...]