Ancient coupling may have happened more between human females and Neanderthal males thecanadianpressnews.caResearch suggests mating direction bias between Neanderthals and humans The GuardianWere Neanderthal men the Romeos of the prehistoric world? National GeographicWhat Your DNA Reveals About the Sex Life of Neanderthals The New York TimesNew Study Probes Mystery of Neanderthal-Human Interbreeding WSJ
