1.   And he began experiments in which half the belts conformed to existing practice, while half were made three times heavier.

2.   But Robichaux is ready to begin the experiments with local food sources.

3.   I hesitated for a long time before I began my experiment.

4.   But Hecht said the tiny plovers have recovered enough to begin experiments with relaxing the strict plover regulations.

5.   But it has yet to begin experiments on choline supplements.

6.   Clinton, who was not born when the tragic experiments were begun, repeatedly told the gathering that the nation bears the blame.

7.   Diller says he will quietly begin the experiment on WYHS in Miami in the late spring and see what happens.

8.   For here is a young man who accepts the vacuousness of a received tradition yet begins his experiments with ambivalence.

9.   Given that potential for retaining customers, it is no surprise that other automakers have begun similar experiments.

10.   Her group began this experiment to avoid Olympic traffic.