Undercover Colors: The nail varnish that changes colour when a drink has been spiked

The launch of a revolutionary nail polish that can detect common date rape drugs could be just months away.After receiving $5.5m worth of investment nail-tech company Undercover Colors has alluded that it could finally be for sale in 2017. The idea, which was originally conceived in 2014, is the work of developers at North Carolina State University who wanted to find a way to help their female friends stay safer while dating and going to bars.Read more on NewsOK.com