Scientific American Digital Home
   Advanced Search Sign In
Archive My Account Help and Support View Cart 0 item(s) in cart

Preview


July / August 2012

July / August 2012
Scientific American Mind

Price: $7.95 *Not included with a subscription


Head Games; July / August 2012; Scientific American Mind; by The Editors; 1 Page(s)

1 Meet Your Match

Here are five matchsticks. Arrange them so they make two triangles. (You may not bend, break or fold any of the matchsticks or place them on top of one another.)



Pay Per Issue

Pay for only the issues you want.
Search or browse, make your selections, and checkout.



Update Regarding Subscription and Pay-Per- Issue Accounts


Terms of Use | Privacy Policy | Site Requirements | Help | Contact Us | Institutional Site License
ScientificAmerican.com | Search | Browse | My Subscription Account | My Pay-Per-Issue Account | View Cart
Copyright © 2013 Scientific American, a division of Nature America, Inc. All rights Reserved.