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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?

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.

As the crackdown against pro-democracy demonstrators continues in Myanmar, the monks who led last month's protests are now keeping a low profile. Many are fleeing to Myanmar's border with Thailand.

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 U.N. is supposed to start deploying its biggest peacekeeping operation in a couple of weeks to protect millions displaced by war in Darfur, Sudan. But U.N. planners are still short of helicopters and some key units. Activists are growing frustrated with the shortcomings of the international response.

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.

Can You Pass The Test?

Researchers at MIT have developed a laptop computer they say will cost $100 and could be used by millions of children in developing countries. Some critics, including Microsoft's chairman Bill Gates, say it's the wrong approach.

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.