Resistance to malaria. Blue eyes. Lactose tolerance. What do all of these traits have in common? Every one of them has emerged in the last 10,000 years.Scientists have long believed that the "great leap forward" that occurred some 40,000 to 50,000 years ago in Europe marked end of significant biological evolution in humans. In this stunningly original account of our evolutionary history, top scholars Gregory Cochran and Henry Harpending reject this conventional wis...

Resistance to malaria. Blue eyes. Lactose tolerance. What do all of these traits have in common? Every one of them has emerged in the last 10,000 years.Scientists have long believed that the "great leap forward" that occurred some 40,000 to 50,000 years ago in Europe marked the end of significant biological evolution in humans. In this stunningly original account of our evolutionary history, top scholars Gregory Cochran and Henry Harpending reject this conventional...

Les comportements associés à la fécondité sont révélateurs des manières par lesquelles les sociétés assurent au mieux leur pérennisation en gouvernant la succession des générations. Leur étude minutieuse découvre un ajustement inattendu de la fécondité aux conditions ambiantes lorsque la présence du groupe humain est ancienne dans le milieu, ou encore la promptitude avec laquelle les forces culturelles en infléchissent l'expression, lorsque de nouvelles circonstances se font jour. C'est au...