Mexico's Huichol people aren't on the power grid, but LED technology may bring them light. Designers and architects are distributing a textile that absorbs the sun's rays during the day and gives off light at night. The World's Jason Margolis has more.
In 1942, Aaron Copland accepted a commission to write the score for a new dance by modernist Martha Graham. Their now-legendary ballet looks at the tension between community and individualism through the story of a bride and groom in a frontier town.