This is one of the first studies on cellular memory traces but not the first. Similarly, in 2011 Garner et. al. had created a hybrid memory trace chemically: ht

This is one of the first studies on cellular memory traces but not the first. Similarly, in 2011 Garner et. al. had created a hybrid memory trace chemically: http://www.sciencemag.org/content/335/6075/1513 http://www.sciencemag.org/content/335/6075/1513