Why did menopause evolve? New study of whales gives some clues
Three killer whales surface through a breathing hole in the ice of Hudson Bay near the community of Inukjuak, Quebec January 9, 2013. | Photo Credit: Reuters Menopause is a rare trait among Earth’s species, known to exist in only a few. Humans are one. Killer whales and four other toothed whales are the others….
Read More “Why did menopause evolve? New study of whales gives some clues” »