The Pentagon's researchers did not quite think things through, however.

It was time for what the researchers thought would be the ultimate test.

Researchers think they do this as a way of recognizing each other.

Researchers think similar benefits may be enjoyed by all age groups.

Some researchers think the labor market is getting more efficient.

The researchers who found them thought they would be motionless.

"Any doctor or researcher young enough to start over somewhere else is thinking about leaving."

Many said the study might mark a turning point in the way researchers think about Alzheimer's disease.

Researchers think that this sample is not associated with the context in which it was found.

Some researchers do not think the reason for the diet (based on evolution) makes sense.