When leaving your wealth to your sister's children makes sense

In most human societies, men pass on their worldly goods to their wife's children. But in about ten percent of societies, men transfer their wealth to their sister's sons, a process called matrilineal inheritance. A new study ...

From the journal Ethics: 'Is polygamy inherently unequal?'

Recent raids of religious compounds in Texas and British Columbia make clear that polygamy is, to say the least, frowned upon by western governments. But legal questions aside, can polygamy ever be morally permissible?

Can U.S. law handle polygamy?

HBO's Big Love and TLC's reality-TV offering Sister Wives have thrust polygamy into popular culture in the United States. Estimates are that somewhere between 50,000-100,000 families in this country are currently risking ...

Polygamy hurt 19th century Mormon wives' evolutionary fitness

Polygamy practiced by some 19th century Mormon men had the curious effect of suppressing the overall offspring numbers of Mormon women in plural marriages, say scientists from Indiana University Bloomington and three other ...

Modern man found to be generally monogamous, moderately polygamous

(PhysOrg.com) -- Did women and men contribute equally to the lineage of contemporary populations? Did our ancestors, Homo sapiens, lean more toward polygamy or monogamy? To answer these questions, Dr. Damian Labuda, an investigator ...