1.   Benjamin and his colleagues studied rats and found that they had lots of bacteria on the rear portion of the tongue, near the throat.

2.   After returning to the United States she taught at Wellesley College, where she met her future husband who was studying rats.

3.   But Steitz noted at the time that it was almost like saying he was going to study brain function by studying decapitated rats.

4.   Calhoun was a cheerful man who maintained a sense of humor about his work and the stereotypical image of scientists studying rats in mazes, Mrs. Kerr said.

5.   Researchers at Yale reached that conclusion after studying rats that were allowed to administer cocaine to themselves.

6.   Psychologists studied rats, on the theory that we all were creatures of environment.

7.   Stewart said scientists know from studying rats that if the head is spun quickly, the connection between brain cells and chemical transmitters can be sheared.