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The 30th season of the CU Wizards series at the University of Colorado at Boulder will begin Sept. 23 with a show featuring an imploding 50-gallon steel drum and Beethoven's "Ode to Joy" played with a drill and wooden sticks. Michael Dubson, a senior instructor in the CU-Boulder physics department, will present the free program "Boom! The Physics of Sound and Air Pressure" at 9:30 a.m. in room G1B30 of the Duane Physics building. During the show, the audience will learn how sound waves are made, what air pressure is and what makes some sounds "musical."

Chancellor G.P. "Bud" Peterson of the University of Colorado at Boulder announced the approval of 25 new faculty positions this morning in his first formal address to the campus since his arrival in July.

University of Colorado at Boulder Chancellor G.P. "Bud" Peterson and his wife Valerie will join about 60 freshmen Sept. 12 to help clean up Bear Creek near the Williams Village residence halls. Participants will gather at Darley Commons at 4 p.m., pick up supplies and walk to the creek behind Williams Village at about 4:15 p.m. Cleanup activities will go on until about 5:30 p.m.

The University of Colorado at Boulder Center for Asian Studies has been awarded two grants totaling more than $1.8 million from the U.S. Department of Education and will begin new language programs in Farsi and Indonesian.

The history and science of astrology, including the origins of the zodiac, will be explored at the University of Colorado at Boulder Fiske Planetarium on Sept. 14-15. Instructors Matt Tearle and Adam Norris of CU-Boulder's applied mathematics department will present the show both days at 7:30 p.m. in the planetarium.

David Getches, dean of the University of Colorado School of Law School, today announced the MDC/Richmond American Homes Foundation will donate $1 million to the University of Colorado Foundation to establish the Gilbert Goldstein Fund.

To celebrate the signing of the United States Constitution 219 years ago, the University of Colorado at Boulder will stage a constitutional interpretation debate before faculty and students on Sept. 21. The debate will take place in the dining area next to the food court at the University Memorial Center from noon until 1:30 p.m. CU-Boulder's Institute for Ethical and Civic Engagement is organizing the event.

More than one-third of the giant planet systems recently detected outside Earth's solar system may harbor Earth-like planets, many covered in deep oceans with potential for life, according to a new study led by the University of Colorado at Boulder and Pennsylvania State University.

Uniting University of Colorado at Boulder students, faculty, staff, alumni and the community is the goal of a remarkably successful student-run campaign that has sold more than 13,500 gold T-shirts since 2004. So far this year, CU-Boulder students have sold 4,500 of the Shoulder to Shoulder Gold Rush T-shirts and they hope to sell 10,000 by the end of this year. The shirts will be available prior to the Sept. 9 football game versus Colorado State University in Denver and also at all CU-Boulder home games.

Jane Margolis, a social scientist who has worked to bridge the gender and minority gap in computer science and co-author of the widely acclaimed book, "Unlocking the Clubhouse: Women in Computing," will be the inaugural speaker in the ATLAS Speaker Series at the University of Colorado at Boulder at 1:30 p.m. Friday, Sept. 15, in room 100 of the new ATLAS building.