President Bush will install John Bolton as the next U.S. ambassador to the U.N. without the approval of Congress.

Futurist, scientist, writer Ray Kurzweil on living longer, human vs. machine intelligence, and more.

A study in the Journal of the American Medical Association looks at pesticide use at schools and the health effects on children.

King Fahd, monarch of the world's biggest oil producer, has died.

A new exhibit on Degas is opens at Harvard's Sackler Museum.