Jeff Rosenthal, co-founder of Summit, in front of Powzilla, an open-top Suburban turned rock crawler. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

Karla Miller competed in the national bees of 1984, 1985 and 1986. Her best finish was 31st, when she went out on the word "dashiki." Today, Miller is a writer and editor. At right, a recent snapshot of Miller and her daughter. Karla Miller hide caption

itoggle caption Karla Miller

A German IT consultant's proof-of-concept software raises questions about efforts to secure global flight systems. iStockphoto.com hide caption

itoggle caption iStockphoto.com