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Math

Beating the Bush for Patterns

Across some arid landscapes, sparse vegetation grows in fractal patterns that hold clues to its resilience.

Humans

Letters from the September 29, 2007, issue of Science News

Questioning the surge “The Power of Induction” (SN: 7/21/07, p. 40) was written as if this was a newly discovered technology. I have been using an electric shaver with induction recharging for years. Mike YorkPhoenix, Ariz. The ability to project electrical power some distance suggests a possible method to detonate or disable improvised explosive devices. […]

Physics

Electron Superhighway

The remarkable strength and electrical properties of graphene, a chicken-wire network of carbon atoms, make it a promising new material for computer chips.