Gene plays key role in monarch butterfly's miraculous migration
Wednesday, October 1, 2014 - 12:41
in Biology & Nature
WASHINGTON (Reuters) - The 3,000-mile (4,800-km) mass migration of monarch butterflies in North America is one of the insect world's fantastic feats, with millions embarking on the arduous journey from as far north as Canada down into Mexico and the California coast each autumn.