The Scientisfs bread-and-butter stories are those about the intricacies of biology: neuronal networks, metabolic pathways, immune regulation, molecular dynamics, etc. But for too long, we've given short shrift to the one event that sets these processes in motion in almost all of the planet's multi-cellular organisms: sex. So we have devoted an entire issue to the subject, its motivations, its attendant behaviors and physiology, its evolution, and its future.
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