https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8764802Edit ImageSaveSaveEditCropCustom Text"Why is DNA supercoiled?" Gray poster with black lettering and accents announcing lecture by Martin F. Gellert, Ph.D., Mar. 1986. Also lists date, location, time, and Gellert's affiliation. Dominant image on poster is orange and yellow braid, roughly in the shape of an "L" with an open loop at the top. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 837 x 1200 px | 300 dpiLarge JPEG 2047 x 2935 px | 300 dpiFree Download"Why is DNA supercoiled?" Gray poster with black lettering and accents announcing lecture by Martin F. Gellert, Ph.D., Mar. 1986. Also lists date, location, time, and Gellert's affiliation. Dominant image on poster is orange and yellow braid, roughly in the shape of an "L" with an open loop at the top. Original public domain image from FlickrMore