31.   The lab has a plutonium research center used to study the physics of plutonium deployed in nuclear weapons.

32.   The imaging equipment used to study the mummies is the same technology the hospital uses to scan patients for tumors, pneumonia, liver disease and other disorders.

33.   The NYCMap is already being used to study the West Nile virus on Staten Island.

34.   To measure the effects of various distilling methods, he invented the Othmer still, a device that continues to be used to study distillation.

35.   Under his plan, taxpayer money may be used to study only those cell lines that already exist.

36.   DNA fingerprinting could be used to study other crop diseases, she said.

37.   It also can be used to study earthquakes.

38.   One day, say the astronomers, schoolchildren will be able to display on their computers the same images experts use to study the heavens.

39.   Radar and sonar will be used to study the structure of the temperature layers.

40.   The method could be used to study other planetary objects from afar.