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The world's soil is in trouble. Ecologists say without dramatic changes to how we manage land, vast swathes of grassland are at risk of turning into hard-packed desert. To make sure that doesn't happen, researchers are testing out innovative ways to keep moisture in the soil.

The BBC has chosen the 12th actor to star in Doctor Who, the show about a traveler in time and space. Veteran actor Peter Capaldi is taking over from Matt Smith, who will take his leave in the Christmas special. For more on the show, Linda Wertheimer talks to BBC arts and entertainment correspondent Tim Masters.

Gay pride celebrations are held loudly each summer in New York, Paris and Berlin. But when Uganda held its version of the event this weekend, it was done very privately. It came as the Ugandan parliament considers a piece of extremely anti-gay legislation, and as discrimination against gays is widespread

The league also announced 50-game suspensions against 12 other players because their names allegedly show up on customer lists at Biogenesis, a South Florida clinic that distributed performance-enhancing drugs.

The mayor of Dorset, Minn., is now four years old. Bobby Tufts' named was pulled out of a hat last year, making him mayor of the town of 20 people. Dorset doesn't have a formal government. On Sunday, his name was drawn again.

E-books have changed the world of publishing in fundamental ways. The business model that encouraged publishers to support the work of public libraries has changed to such an extent that this relationship has been stressed to the point of non cooperation.

After weeks of talk about whether National Security Agency surveillance programs should be curbed, voices are now praising the programs' effectiveness. Meanwhile, many embassies across North Africa and the Middle East remain closed.

A car plowed through the crowd on the California city's famous boardwalk. The driver has been charged with murder. About a dozen people were injured, and one person, 32-year-old Alice Gruppioni of Italy, was killed. Her new husband is devastated. Videos from the scene are chilling.

Bobby Tufts' second job will be at a pre-school. As a student. For the second year in a row he won the mayoral contest in tiny Dorset, Minn., which actually doesn't have its own government.

The minister for the environment said it was time for the country to move beyond caging wild animals and seek a more natural experience.