(AP) -- Federal regulators have shot down a proposal by a startup called M2Z Networks Inc. to build a free, nationwide wireless broadband network using a spare slice of airwaves.

Worldwide semiconductor revenue is expected to grow 31.5 percent this year to 300 billion dollars, technology research firm Gartner said Wednesday.

This semester's rich range of cultural offerings at UC Berkeley includes a daylong cornucopia of free arts performances Sept. 26. It also holds appearances by violin virtuoso Christian Tetzlaff, the much-loved Mark Morris Dance Group, director Peter Greenaway, and bestselling writer David Sheff.

They may seem too young to feel stressed, but teachers at Springdale Elementary School in Bibb County say pressure to do well on tests can make it harder for students to focus and learn.

A jog may be just the thing for students who want to improve their memories, according to new research by Weber State University student David Webb.