undercover colors

Nail Polish that Changes Colour When Exposed to Date Rape Drugs

Could a manicure save you from a sexual assault? Four male students at North Carolina State University are attempting to put an end to date rape with a nail polish called Undercover Colors, that changes color when exposed to “drug-assisted assault” or “date rape” drugs such as gamma hydroxybutyrate and rohypnol, both of which are odorous, colorless, and can be slipped into a drink and ingested without the recipient’s knowledge

food waste

An App to Reduce Food Waste

Americans waste up to 30 to 40 percent of food, an excess of up to $165 billion a year, according to the United States Department of Agriculture. Which is why a New York app developer is launching an app to help restaurants and grocery stores combat food waste by finding customers who might pay for discounted food before it’s thrown away.