Features | November-December 2011 Peter Del Tredici of the Arnold Arboretum searches for the wild ginkgo Peter Del Tredici’s search for the wild ginkgo and the secret of its uniquely long survival Faculty & Research | 10.19.2011 Peter Del Tredici weighs in on ginkgo and memory Ginkgo products have become a hot commodity in the twenty-first century, but do they actually boost memory?