The workflow of conventional technologies for food testing is straightforward: the chemist tells the analytical lab instrument what compounds to look for, and the instrument works to find them. (fmtmagazine.in)
Now, however, formidable new lab instruments are enabling them to detect some of the rarest isotopic variants in nature, molecules containing two or more rare isotopes. (science.sciencemag.org)
Labs with a mix of federal and private funding are required to account for the monies separately, leading to the somewhat absurd practice of color - coding lab instruments and workspace so that nothing paid for with federal money is used to do something federal policies prohibit. (the-scientist.com)