111.   The scientists used a newly developed molecular tag to track the ebb and flow of helper T cells.

112.   The scientists used special culture techniques to coax pancreatic ductal cells, which normally secrete very little insulin, to churn out larger amounts of insulin.

113.   The scientists also used two other detection devices.

114.   The scientists use the information to calculate how many cod are in the water.

115.   The scientists used mice that have a tendency to develop asthmatic symptoms.

116.   The scientist used a common household detergent to strip away the hides of one set of viruses, and a different solution to remove the cores of another set.

117.   The scientists used the Net mostly to collaborate on research into computer networks.

118.   The scientists are using supercomputers to gauge the flow of flood waters in California two days before the flood arrives.

119.   The scientists currently use oil from traditionally grown soybeans.

120.   The scientists then used the responses to rate the participants using a negative affect scale, which describes unpleasant mood states.