Energy from incoming photons could simultaneously explore every possible chlorophyll route from a protein's surface to the reaction center at its core, then settle on the shortest path.

This 'simultaneously exploring every chlorophyll route and settling on the shortest path' business reminds me of a lightning strike in slow-motion.

Such games, also known as M.M.O.'s, allow hundreds or thousands of players to simultaneously explore vast virtual worlds stocked with quests, monsters and treasure.

Web sites have been enthusiastic about the game, which allows thousands of players using PC's or Macintoshes to simultaneously explore a common virtual fantasy world.

Ms. Makepeace's own film is "Baby, It's You," a touching, fearless account of her efforts to become pregnant while simultaneously exploring her family's abundant eccentricities.

Police Commissioner Howard Safir said yesterday that the police were eager to talk to this man, but were simultaneously exploring other leads.

It's hard to see how she can do that while simultaneously exploring more and deeper means of expression.

This story simultaneously explores tension between Christian and pagan and a growing conflict between Thomas' conscience and the god Thorn.

"Lear" is typical of Mr. Breuer's productions in the way it simultaneously explores several radical concepts.

Ms. Andrews was left with a dual challenge, to simultaneously explore ways to restore her voice and also to refocus the expression of her art.