Biological Time. Exhibit by the Ernst Mayr Library, Department of Organismic and Evolutionary Biology, Harvard University. July 2013 – present.
https://www.extavourlab.com/wp-content/uploads/2019/06/MCZlibrary.jpg300400awp-admin/wp-content/uploads/2017/09/blank-80x80.pngawp-admin2013-07-01 00:00:002019-07-05 05:35:52Biological Time Exhibit by the Ernst Mayr Library