25 February 2010

Psychoactives

Via Suddenly.

2 comments:

  1. UnknownFebruary 27, 2010 at 4:12 PM

    I like this chart since it shows relationships so well. Can I get a black and white printable version?

    ReplyDelete
  2. MinnesotastanFebruary 27, 2010 at 5:21 PM

    Sure. Scan it on greyscale.

    ReplyDelete