MIT's minuscule terahertz RFID tag foils counterfeiters with metallic glue
System authenticates articles with better than 99 percent accuracy
Italian cheesemakers chip their parmesan to combat the $2 billion counterfeiting industry
If it's not made in northern Italy, then it's not real parm
Stop & Shop's pilot program brings the grocery store to your door
The 414-store chain starts testing in Boston this spring
