Can you handle a second or third girlfriend or boyfriend? Turns out more and more people can, and we don't mean "on the side." Polyamory is quickly becoming this generation's sexual revolution. Laci explores what it's all about and how it works.

"New Sexual Revolution: Polyamory May Be Good for You" "But two-by-two isn't the only way to go through life. In fact, an estimated 4 to 5 percent of Americans are looking outside their relationship for love and sex - with their partner's full permission." "5 Myths About Polyamory" "Researchers estimate that as many as 5 percent of Americans are currently in relationships involving consensual nonmonogamy - that is, permission to go outside the couple looking for love or sex." "The Ethical Slut Returns" Into threesomes? Foursomes? Moresomes? The co-author of a cult classic about open relationships talks sex communes, romantic one-night stands, and offering chicken soup to lovers.

DNews is a show about the science of everyday life. We post two new videos every day of the week.

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