Scientists

Scientists seem to have known the truth.

Scientists have been discovering new drugs, so there is always hope for someone in a coma.

Scientists can easily compute the distance between planets.

Scientists deal mainly with physical matters.

Scientists have come up with many explanations for why the sky is blue.

Some scientists predict that the world oil reserves will be used up within a century.

According to scientists, the atmosphere is getting warmer year after year.

Scientists say many factors bring about changes in weather.

Scientists will come up with new methods of increasing the world's food supply.

Scientists regard the discovery as important.