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Facebook, the world's most popular social networking site, is in trouble with some members of Congress for sharing users' personal information. Data mining is big business. Is it too late to stop it?

How much of the proposed water and sewer rate increase will go toward paying down San Diego’s pension debt? We speak to a local reporter about what the water and sewer rate increase will pay for. We

Leading astronomers declare that Pluto is no longer a planet, shrinking the solar system from nine planets to eight. Pluto was discovered in 1930. It lost its planetary status when the International Astronomical Union approved a definition for planets that Pluto fails to meet.

South Korean and U.S. researchers say they have successfully cloned a human embryo and extracted embryonic stem cells from it. The experiment, reported in the journal Science, is the first instance of cloned human stem cells -- an important step toward therapeutic cloning, in which patients' own replacement tissue would be generated to treat them. Hear NPR's Joe Palca.

North Korea’s apparent explosion of a nuclear bomb has shaken the world. Host Gloria Penner talks to a former State Department official about what the U.S. and countries like China are doing to deal

The fallout over Congressman Foley’s indiscretions has become a potent issue in this year’s election campaign. And it could seriously harm the House leadership if it’s shown that Hastert, the House

The stem cell in bone marrow can become muscle, bone or fat. A biomedical engineer believes he has found a way to accomplish making muscle and bone. It involves standing on a gently vibrating platform for 15 minutes a day.

Giant camels, massive tortoises and sabertooth cats lived in the Anza-Borrego Desert region about 7 million years ago. Host Tom Fudge speaks to editors of a book that chronicles 7 million years of evo

Kenya's peace-loving reputation may be tested when Kenyans go to the polls next week to elect a president. The country's politics are rooted in ethnic rivalries between Kikuyu and Luo. With incumbent Mwai Kibaki, a Kikuyu, running against Raila Odinga, a Luo, tensions may rise.

University of Michigan professor Arthur Kuo's research team has created a new knee brace that stores the residual energy a person makes while walking. They report that walking for one minute can generate enough energy to power the average cell phone for 10 minutes. Andrea Seabrook speaks with Kuo.