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No country in the world is more dependent on its computers than the U.S., making it uniquely vulnerable to attack. One official tells NPR that the Pentagon has experienced an "explosion" of computer attacks, currently averaging about 5,000 each day. But is the country ready to wage a cyberwar?

What can San Diegans do to help the victims of the massive earthquake and tsunami in Japan? And, what challenges has the local Japanese community faced as it tries to contact family and friends back home? We speak to the president of UC San Diego's Japanese Student Association, the director of disaster services for the local Red Cross, and KPBS Science and Technology Reporter Peggy Pico.

Tieyan Liu of Microsoft Research Asia in Beijing says that as a researcher, he isn't focused on the competition, but rather on his own projects — and on how best to collaborate with his colleagues in the U.S. He reflects on what his facility has meant for Chinese-educated researchers and for the country's universities.

The Middle East is facing its worst water crisis in decades. For three summers, the annual rains have failed to come. Farmland has dried up in Iraq, Syria, southeast Turkey and Lebanon. The dire conditions are creating a new phenomenon: water refugees.

Institutional Wellbeing, on view through August 9th at Oceanside Museum of Art.

Conceptual artist Brian Goeltzenleuchter creates a special scent for Oceanside Museum of Art.

AIDS is the number one killer in sub-Saharan Africa, and it's the fourth leading cause of death worldwide. Researchers have been trying to develop a vaccine to protect people against HIV, the virus that causes AIDS. So far, the results have been disappointing. From the International Aids Conference in Capetown, South Africa, KPBS Health Reporter Kenny Goldberg tells us the search continues.

Mayor Sanders said Governor Schwarzenegger will return to Qualcomm stadium tonight to make sure San Diego residents have everything they need. Sanders said his office will coordinate with the state to

This week, San Diego State University was one of five sites around the nation testing new emergency response technologies. The exercises demonstrated tools developed for the military that are now available for civilian first responders. A lot of money is being invested in powerful new surveillance tools, but are these making us any safer?

Can You Pass The Test?