There's something of a saying that you can only remember the things you try to forget, but if you'd prefer to hang on to those photographic moments from Thunder Mountain back in 1991, a gaggle of gurus from the Weizmann Institute of Science just might have the magic elixir you've been yearning for. According to a newly published study on long-term memory revitalization, Reut Shema and colleagues found that boosting the amount of PKMzeta could potentially help one recall memories that were on the brink of being forgotten. In testing, lowering the levels of PKMzeta caused rats to lose track of memories more quickly, but the zany part is that boosting levels on a specific day helped animals recall memories from days prior -- days where the