Scientists at the observatory are also investigating other uses for the system.

Scientists had already stripped it of its time mechanisms and were investigating them.

Scientists are investigating this ingredient for possible use under medical supervision.

You say that the hospital caring for your daughter seems to be trying to stop a scientist investigating the cause of her illness.

For hundreds of years, scientists had been investigating the natural world and artists interpreting those results on a human scale.

Therefore, scientists also are investigating both conservation and alternative production options.

An international symposium of scientists investigating ball lightning will be held next year in Japan.

Scientists are investigating ways to harness the wind energy within the jet stream.

Formally trained scientists were already investigating the state's fossils by the late 1800s.

There was so little medical and exposure data that scientists could not fully investigate possible causes of the symptoms.