Rather than comparing hairs under a microscope, Jackson’s team is developing techniques for analyzing hair chemically. A hair shaft is mostly made of a protein called keratin. That keratin ...

Image of hair used in the study. Special equipment enabled Bharat Bhushan and his colleagues to get an unprecedented close-up look at a rogue's gallery of bad hair days – from chemically ...

The trials under scrutiny are those that took place between around 1980 and 1999, when hairs were routinely assessed using a microscope – a technique that has been criticised for its lack of rigour.

Above, infected armpit hair (right) and view of hair under a microscope (left). Credit: The New England Journal of Medicine ©2013 The 40-year-old man told his doctors he'd had armpit odor and ...

The Ohio State engineers examined hairs under an atomic force microscope (AFM), a tool that let them scratch the surface of hairs and probe inside the hair shaft with a very tiny needle.