This shows hair shafts (arrows) formed by induced pluripotent stem cell-derived epithelial stem cells. Credit: Ruifeng Yang, Perelman School of Medicine, University of Pennsylvania If…
This image shows the effect of an FDA-approved drug that restored hair growth in a research subject with alopecia areata. Left to right: at baseline,…
Fisherman smoking. Cigarette filters, which are made of cellulose acetate, may act like other plastics in providing a conduit to transport metals in marine environments,…