91.   Lewis said Mercury is working to develop a traditional country artist, but is holding off for now because of the commercial climate.

92.   Linguist Gordon Whittaker, who is associated with the German research foundation DFG, is working to develop linguistic resources for the northeast Kansas tribe.

93.   More than a dozen companies worldwide are working to develop three-dimensional systems.

94.   NASA is working to develop a similar vehicle that the astronauts aboard the space station could use to return to Earth in an emergency.

95.   Northfield Laboratories Inc., Biopure Corp. and Alliance Pharmaceutical Corp. also are working to develop a viable blood substitute.

96.   Others are spending their time and money behind the scenes, working to develop that crucial breakthrough show.

97.   Researchers are working to develop a more effective stand-alone EPO test that can meet scientific standards and withstand legal challenges.

98.   Scientists are still working to develop a foolproof, stand-alone urine test.

99.   The automakers and their partners are working to develop lighter, but safe tanks.

100.   The Defense Department is working to develop several ways to block long-range missiles fired at the United States.