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Space shuttle Atlantis rocketed into orbit Monday with six astronauts and a full load of spare parts for the International Space Station.

Does your momma have tell you to do the right thing, or do you just kinda know? How do we form our moral values? Some would argue that religion and philosophy guide us toward morality. But new research into the brain is telling us our moral compass may be more complex and deeply rooted than once thought.

Chimps and humans both have lungs, throats, voice boxes, tongues and lips. But unlike chimps, humans have a vocal tract that allows us to do everything from talk on the phone to sing opera.

This year China is expected to replace Japan as the world's second-largest economy, and Germany as the world's biggest exporter. It has become a key global player, but its leaders say it is still a developing country with limited means. Many ordinary Chinese agree with this view and see superpower status as a distant prospect.

Children go to school in roughly 200 buildings across San Diego County where earthquake safety is still an unanswered question.

Airs Saturday, March 6, 2010 at 10 a.m. on KPBS TV

The discovery that human body cells can be used as stem cells is creating buzz in the scientific community. Experts say the development will likely transform research; in the political world, some say it will end the debate over the need to use human embryos.

Assembly Republicans say they won't support new taxes to get through the state's budget crisis. But, they're offering bills they say will free up funding for schools in the face of potential cuts. Fro

Job losses have hit San Diego's biotech sector already. But the major damage from the slumping economy may be yet to come. KPBS Reporter Tom Fudge has more.

The bones of two creatures who lived nearly 2 million years ago have been discovered in South Africa. The creatures, which bear resemblance to both the early human Homo genus and the more primitive Australopithecus genus, could unlock clues about evolution and the origins of humans.