Cover -- Title page -- Copyright -- Contents -- Illustrations -- Tables -- Acknowledgments -- 1 National Laws -- Introduction -- National Laws -- Families of National Legal Systems -- The Common Law System -- The Civil Law (Code) System -- Islamic Law -- Do Contracts Make Law? -- Additional...

Females mating with multiple males (polyandry) is taxonomically widespread but is hard to explain in many animals in which it has no obvious direct benefits. In some, of which social insects are the best example, it is suggested that females benefit from the increased genetic diversity of their...

Sexual selection is a dominant force in the evolution of many animals and can be particularly significant in species that mate in aerial swarms characterized by strong male--male competition. However, such mating biology, typical of many social insects, is also quite challenging to study. Here,...