Workers repair a high tunnel used to grow Russian dandelions on the Wooster campus of CFAES’s research arm, OARDC, in this recent shot by CFAES photographer Ken Chamberlain. OARDC scientists are growing, studying, and developing Russian dandelions — also called Taraxacum kok-saghyz, or TKS — as an Ohio-grown, sustainable source of natural rubber (video, 2:22).