The chemist's latest trick? Getting dogs to pick up the scent for laptops, digital cameras and those easy-to-conceal USB drives. Devices such as these are often used to stash illegal materials like child pornography, which the FBI says is growing fast.

лек, вот так учёные // http://www.bloomberg.com/news/articles/2014-09-23/a-police-dog-for-the-digital-age-she-can-smell-the-usb-drive-you-re-hiding