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The Hubble Space Telescope's "greatest hits" will be highlighted at CU-Boulder's Fiske Planetarium on Friday, Sept. 19, and Tuesday, Sept. 23, at 7:30 p.m. Doug Duncan, director of the Fiske Planetarium and Sommers-Bausch Observatory at the University of Colorado at Boulder will present his live show on "Hubble Space Telescope and Beyond." "During the show, we'll highlight some of the most remarkable images the Hubble has obtained during its 12-year lifetime," Duncan said.

Editor's Note: Reporters and photographers are invited to a press conference on Friday, Sept. 12, at 10 a.m. at Bartkus Oil, 3501 Pearl St. in Boulder. City, CU-Boulder and Blue Sun officials will be on hand with a fleet of buses, passenger cars, tanker trucks and utility vehicles demonstrating the utility of biodiesel in different engine types. After the press conference, a CU Biodiesel Rally featuring actor Woody Harrelson will be held at noon at the University Memorial Center at Euclid Avenue and Broadway. Call Carol Rowe at (303) 492-7426 for information.

The clash between the war on terrorism and traditional civil liberties will be examined by distinguished scholars at this year's University of Colorado at Boulder Morris Colloquium on Sept. 11 and Sept. 12. "Balancing Liberty and Security After 9/11" coincides with the second anniversary of the terrorist attacks on the World Trade Center and the Pentagon. All colloquium events are free and open to the public. The first session, "Civil Liberties Challenges After 9/11," will take place in Old Main Chapel on Sept. 11 at 5 p.m.

Editors: Contents embargoed until 2 p.m. EDT on Thursday, September 4. A new University of Colorado at Boulder study has shown that microbes living under the tundra snow pack ramp up their populations in late winter, a finding with implications for changing estimates of carbon dioxide levels in Earth's atmosphere.

Car and bike thieves and other criminals beware - students at the University of Colorado at Boulder are staking out the campus and alerting authorities of suspicious activity. The Stakeout program is among many CU-Boulder Police Department programs designed to prevent crime and create a safe environment for students and staff. Stakeout program students are trained community services aides, said CU Police Lt. John Kish, and are kept out of harm's way. If a crime or suspicious activity is spotted, an aide radios police officers to respond and investigate.

The University of Colorado and Boulder communities are invited to share in the festivities as the University Memorial Center on the CU-Boulder campus celebrates its 50th anniversary with free concerts the week of Sept. 15. All concerts will take place from noon to 1 p.m. on the UMC's South Terrace. "The UMC has always been in the hearts and minds of the student body," said Carlos Garcia, UMC director. "For the past five decades, the UMC has contributed to the personal growth and development of practically every CU student."

A new University of Colorado at Boulder study of Jupiter's moon Europa may help explain the origin of the giant ice domes peppering its surface and the implications for discovering evidence of past or present life forms there. Assistant Professor Robert Pappalardo and doctoral student Amy Barr previously believed the mysterious domes may be formed by blobs of ice from the interior of the frozen shell that were being pushed upward by thermal upwelling from warmer ice underneath. Europa is believed to harbor an ocean beneath its icy surface.

The mysteries of black holes will be discussed at Fiske Planetarium on the campus of the University of Colorado at Boulder on Friday, Sept. 12, and Tuesday, Sept. 16, at 7:30 p.m. Professor Andrew Hamilton will present the live star show, "Black Holes and Relativity," as part of the fall 2003 schedule of monthly astronomy talks. The live talks are given by CU-Boulder professors and guest lecturers. Hamilton is a professor in CU-Boulder's astrophysical and planetary sciences department.

CEOs and executives of Time Warner Telecom, BEA Systems, Procter & Gamble and other leading companies will discuss lessons learned from their successful business careers with CU-Boulder students at lectures throughout the fall semester. The Fortune 500 executives and entrepreneurs will speak at class lectures of the Profiles in Business and Society course, which has been offered at the University of Colorado at Boulder since 1988.

Two University of Colorado at Boulder specialty programs were ranked in the top 15 nationally in the U.S. News & World Report's 2004 rankings of America's Best Colleges as reported on the magazine's Web site, http://www.usnews.com .