41.   The two Lamont-Doherty geologists began their research when they were invited by the Russian Academy of Sciences to join an expedition three years ago.

42.   Then they began their research, using the original source, family member or company archives to produce each one- to two-page entry.

43.   There, a half-century ago, IBM began research that would lead to the first rotating disk system for storing computer data.

44.   They began the research more than a year ago when Rajasubramanian proposed the idea and began investigating, Eberhart said.

45.   Three years ago, Seed began research on whether blood transfusions could reduce rejections of transplanted organs.

46.   To begin their research, Lawrence and Giles estimated the size of the Web.

47.   When Arkin began his research for the role of Rifkind, he said, he knew little about court life except what he had seen on television.

48.   Whether the pharaoh had in fact worn the clothes entombed with him during his brief life was another question Dr. Vogelsang-Eastwood had when she began the research.

49.   When Bito began his research, ophthalmologists had already concluded that prostaglandins raised intraocular pressure, and were therefore dangerous.

50.   When Springer began his research, no one knew quite how this stickiness was achieved.