A Test to Detect a Date-Rape Drug

What it is: A test to quickly detect the presence of GHB, one of the so-called date-rape drugs, in blood, urine, or semen.

The market: Inventors say they could imagine every emergency room in the country using the test to determine the cause of unconsciousness in patients. It could also be useful in law enforcement.

The spark: Researchers at the University of California at Santa Barbara began the work in 2000 at the behest of a wealthy local retiree, who was disturbed by reports

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