Coming Soon: Doing Research With Your Cellphone

By SCOTT CARLSON

Michael W. Dennis pulls a BlackBerry from his pocket and types "Vioxx" into a search window using the handheld e-mail device's tiny keys.

In seconds, up pops a molecular representation of the controversial drug, in a geometric pattern of hexagons, letters, and lines that would make sense to anyone trained as a chemist.

Mr. Dennis,...