July 19, 2012 HIV is like a jack-in-the-box. When the viruses bump into particular cells in the immune system, the viruses' shells pop open and their genes enter the cells. Experimental therapies for HIV could stop the virus from getting in.
July 18, 2012 Americans' methods for commuting to work vary by city. Use this interactive map to explore how residents in different cities get to their jobs — by driving alone, carpooling or taking mass transit — and how long those journeys last.
July 18, 2012 Sol Neelman, a former newspaper photographer, travels the world in search of offbeat and surreal sporting events. "It's got to make me laugh, it's got to be photogenic, and cheap beer is a bonus," he says.
July 16, 2012 In front of this sound-activated camera, "some people scream inward and some people scream outward ... and some people go to crazy town," says photographer Billy Hunt.
July 11, 2012 How much food could you buy per day if you were living at the poverty line? It depends on where you live.
July 10, 2012 Green Card Stories is a photo project about people like Rino Nakasone, who was inspired by Michael Jackson to leave Japan and pursue dancing in California. Or Luis De La Cruz, who spent his teenage years living in an Arizona garage.
July 1, 2012 Who's a sweet little Goo-Goo? You are. Or maybe you're more of a Valomilk. Take our personality quiz and match your sweet side with one of our featured candies.
June 24, 2012 Want to eat like your distant ancestors? Try the gazelle tartare or the luau mammoth! You'll discover these recipes and more in our Time Traveler's Cookbook.
June 7, 2012 Generation Y might not see homeownership as the same symbol of middle-class success that was so powerful for their parents and grandparents.
June 1, 2012 Recent court cases have changed the rules about money in federal politics, but there still are rules. Here's a snapshot of fundraising limits and regulations across the political spectrum — ranging from the candidates themselves to the new superPACs.
May 30, 2012 In a nation as diverse as the United States, the idea of "the American dream" means different things to different people. Many associate the dream with intangible ideals like freedom of expression, freedom of religion, optimism and family ties. But the American dream has also long been associated with attaining a higher standard of living, particularly one that surpasses that of the previous generation.
May 17, 2012 One of the highest-profile political matchups of the season is playing out in Virginia, where former governors with powerful friends and big-money backing are battling for an open U.S. Senate seat. The dead-heat matchup pits Democrat Tim Kaine, 54, against Republican George Allen, 60.
May 15, 2012 In just a few years, Facebook has grown from an idea hatched at Harvard to a worldwide social media phenomenon potentially valued at about $100 billion. Review key moments on Facebook's road to growth, see where it's most popular, and compare how much the shares held by Mark Zuckerberg and other Facebook executives could be worth once the company goes public.