The scientists propose that this practice may give them the benefit of experience.

Some scientists have proposed in the last few decades that a general living systems theory is required to explain the nature of life.

To this question, how some people cope, scientists have just now proposed a tentative answer.

Scientists have proposed many different hypotheses to explain worldwide temperature changes.

But the cure some scientists are proposing would require a startling change in national policy.

Many scientists have proposed the possibility that it was a rhinoceros.

Scientists who study filling in propose several mechanisms for the phenomenon.

Some scientists have proposed the idea of using faster-than-light travel to journey back in time.

The scientists propose that a female's social rank is determined fairly early in life.

Some scientists have proposed a total halt in the production of chlorofluorocarbons.