Melon Evolution Reveals the Future of Human Sex

Melons have recently evolved a strange new sexual feature: When they bloom, their flowers are both male and bisexual. Their sexual system is called "andromonoecy," and it may provide a glimpse into what caused humans to evolve into male and female — as well as what we might evolve into next. Scientists in France and… » 8/07/08 7:21pm 8/07/08 7:21pm