From the Washington Post:

Age-Old Questions Continue to Entice Scientists

By Rick Weiss
Washington Post Staff Writer
Monday, July 4, 2005; Page A09

There is something refreshing about scientists confessing their ignorance. Day after day, in research journals and at international meetings, they strut, cluck and boast about the latest enigma they've wrestled to the ground. The entire human genome mapped! The farthest star plotted! The mating habits of dinosaurs inferred from fossilized eggs! Ordinary folks can be excused for muttering, "Is there nothing these white-coated brainiacs don't think they know?"