Ladies' Night on Planet Earth


James Brown said that "it's a man's world," but he may have changed his tune if he'd seen the recent studies on gender and evolution. In this podcast, Julie and Robert ask what makes a person male or female -- and why the days of males may be numbered.

Ladies' Night on Planet Earth

Image credit: Mel Yates/Taxi/Getty

Topics in this Podcast: war, violence, sex, gender