11.   Scientists observe, however, that identifying the presence of the disease will not do much toward controlling it.

12.   The Brookhaven scientists precisely observed the frequency with which the muons precessed, leading to the results presented Thursday.

13.   This inverted polarity was also observed by scientists from the National Severe Storms Laboratory, who released up to four weather balloons into the belly of each storm.

14.   About one-third of men with unexplained infertility appear to have the same problem, the scientists observe.

15.   Each star would be sending out winds of particles, and the collisions between these two winds might be producing X-rays scientists observe from Eta Carinae.

16.   Ideally, Castro would like to catch some of the new residents and tag them with radio collars so scientists can observe them in the urban environment.

17.   Scientists were observing a region of thunderstorm activity in western Kansas from a ground observation point in Nebraska when the mystery ball appeared.

18.   Scientists observed the event from airplanes and ground stations.

19.   US, German, French and British scientists observed the phenomenon from instruments on a joint NASA-ESA satellite called SOHO.

20.   Scientists will observe the subjects in various stages of their life cycles.