However, a systematic search 50 years later turned up a small population.

She began a systematic search for additional substances that emit radiation, and by 1898 she discovered that the element thorium was also radioactive.

At this point, the team could only account for three of the suspects, and immediately began a systematic search for the fourth.

Wider interest in the tuning was not seen until modern times, when the computer made possible a systematic search of all possible equal temperaments.

To improve recollection, he advised that a systematic search should be made and that practice was helpful.