Researchers at the National University of Singapore have developed the first fluorescent sensor for the date rape drug γ-Hydroxybutyric acid, more commonly known as "GHB." The liquid, when mixed with a beverage spiked with GHB, causes the drink to turn bright orange in color.

This Liquid Turns Drinks Orange In The Presence Of Date Rape Drug GHB

Not as elegant as, say, a straw that changes color in the presence of GHB, Rohypnol, and Ketamine – but a potentially promising protective measure, nonetheless.

H/t Time.