For Debra and Daniel Colvin, owners of a thrift shop in Port Townsend, Washington, the discovery of a rare baseball card brought a thrill.

FORBES: Babe Ruth Jersey Owner to Auction Rare Honus Wagner Card

That's the goal at a shop at Harvard, where Daniel Branton, a biophysicist, and his colleagues hope to design a better detector by passing DNA--a letter at a time--through a microscopic "nanopore" in a silicon membrane.

FORBES: Magazine Article

As Daniel Posner, owner of Grapes the Wine Shop in White Plains, N.

WSJ: Wine Ratings: Remaking the Grade | On Wine by Lettie Teague