Tagged: science

One day, the great novelist and essayist G. K. Chesterton decided to go sketching. He brought his colored chalks, his reds, blues, yellows and greens to a hill in South England, but he forgot to bring white. Damn, he thought, what an idiot, to leave out the crucial one. "Without white," he wrote, "my absurd little pictures would be...pointless." What to do? "I sat on the hill in a sort of despair."

AIDS researchers, policymakers and advocates are increasingly convinced that treating HIV is one of the best ways of preventing its spread.

The rallying cry is "treatment as prevention," and it's the overarching theme of this month's International AIDS Conference in Washington, D.C.