1.   It is free of charge and can help to detect early signs of health problems and prevent them developing.

2.   The Commissioner said that he detected signs of a more responsible attitude by industry to the environment.

3.   Although his family could detect no sign of consciousness at that point, Engel has vivid memories of the day.

4.   And between the lines, some detected signs the Unabomber is unraveling.

5.   Annual Pap smears, which are used to detect early signs of cervical cancer, have become an accepted practice among health-conscious women.

6.   Anybody hoping to detect signs of residual fan bitterness over the strike had to come away disappointed.

7.   Astronomers last year reported that the Hubble Space Telescope may have detected signs of the gas, but some say say that data could have other explanations.

8.   As the campaign moved to other states, the journalistic pack detected signs that these places, too, were becoming more like America.

9.   Blood was drawn and it was Pierpont who detected the signs of a malignancy.

10.   A month later, scientists announced they had detected strong signs of subsurface ice.