A Snail on Meth Remembers When Youve Wronged It

Poke a snail with a stick and it remembers for a day.

Poke a snail with a stick after you've given it methamphetamine and it remembers for much longer.

Source:
http://blogs.discovermagazine.com/80beats/2010/05/28/a-snail-on-meth-remembers-when-youve-wronged-it/?xid=rss-topstories&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%