This challenging visual puzzle will appeal to lovers of logic and deduction brain teasers. How To Play: A map grid shows two towns, typically A and B. The objec

“We are not worth more, they are not worth less.” This is the mantra of S. Brian Willson and the theme that runs throughout his compelling psycho-historical

In the late 1950s, scientists at General Electric -- among them the author -- discovered that when mica is exposed to energetic charged particles, the particles