An international team of scientists – led by Dr Vesna Stanic of the Brazilian Synchrotron Light Source – has detected new structural features of human hair. False-color micrograph of human hair cross-section: the top region shows the external part of the hair – cuticle region; the bottom region shows the internal macrofibrils – cortex region. Image credit: Fabiano Emmanuel Montoro / LNNano / CNPEM. Human hair structure has been...
