The latest issue of Scientific American has been released, with details and free content available at the Sciam website. Free articles available from the April 2005 issue include Michael Shermer’s Skeptic column, how to stop spam, and the analytical approach to shaping the future. The cover story for this issue (which is not free) is on the Earth’s tendency for magnetic pole reversals. Full details at the site.
Sciam 04/2005
