In an effort to clamp down on counterfeit food, a research group in Italy has devised a chemical test to help determine the authenticity of Parmigiano-Reggiano cheese. This is according to a report published in the Journal of Agricultural and Food Chemistry.
Nitrogen triiodide is exceedingly cool stuff. The purple solid is very easy to make, but you better keep it wet. Once dry, it's a powerful contact explosive which could theoretically be useful for practical jokes. I know, because I survived after someone played one on me.
Researchers at the University of California have been able to successfully create a liquid blood pressure medication that can be absorbed through the skin, without the requisite skin toxicity. The implications for transdermal drug delivery are multiple and profound.