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The mysteries of black holes will be unraveled at Fiske Planetarium on the campus of the University of Colorado at Â鶹¹ÙÍø on Friday, Sept. 20, and Tuesday, Sept. 24, at 7:30 p.m. Professor Andrew Hamilton will present his live star show, "Black Holes and Relativity," to kick off Fiske Planetarium's fall 2002 schedule of monthly astronomy talks. The live talks are given by CU-Â鶹¹ÙÍø professors and guest lecturers.

On the evening of Sept. 10, professors from eight different departments at the University of Colorado at Â鶹¹ÙÍø will gather for a public teach-in titled "9/11 One Year Later: How Have We Changed?" Speaker presentations will begin at 6:30 p.m. in room G1B30 of the Duane Physics building on the CU-Â鶹¹ÙÍø campus, according to organizer and CU-Â鶹¹ÙÍø religious studies Professor Ira Chernus. Admission is free.

The Cultural Events Board of the University of Colorado at Â鶹¹ÙÍø's student government is hosting a lecture by Hanan Ashrawi, an internationally known speaker on the Palestinian cause, on Sept. 14 at 7 p.m. The talk will be in the University Memorial Center's Glenn Miller Ballroom. Doors will open at 6 p.m. Tickets for the talk will go on sale Tuesday, Sept. 10, at 10 a.m. at the Connection in the games area of the UMC. Ashrawi will speak on "Liberty and Justice Forgotten: United States and the Israeli Occupation of Palestine."

When asked how the Sept. 11 attacks affected the people charged with responding to disasters, University of Colorado at Â鶹¹ÙÍø sociology Professor Dennis Mileti went to a shelf in his office and brought back a serious cartoon. The three characters in the cartoon are labeled "bioterrorism," "dirty bomb" and "natural hazards." The natural hazards character - representing events such as hurricanes, earthquakes and floods - is saying to the other two: "Welcome to the club."

Police officers are investigating suspicious holes found in the walls of a second residence hall at the University of Colorado at Â鶹¹ÙÍø, according to Deb Coffin, housing director. The cause of the holes has not been determined, but CU police are investigating the reported damage as a possible incident of tampering.

Note to Editors: The redevelopment proposals will be displayed, and Scott Sworts and some of his students will be available for interviews, from 10 a.m. to 11 a.m. on Sept. 9 in room 134 of the Environmental Design Building. Reporters and photographers are welcome to attend. World Trade Center redevelopment proposals created by University of Colorado at Â鶹¹ÙÍø students will be unveiled and discussed in a public event on Sept. 9.

The University of Colorado at Â鶹¹ÙÍø's Center for Astrobiology will hold its fourth annual public symposium Sept. 17 when a panel of experts examines the origin and changes in life on Earth and the possibility of life beyond our planet and solar system. The symposium was organized by Bruce Jakosky, director of CU-Â鶹¹ÙÍø's Center for Astrobiology. Jakosky is a professor in the geological sciences department and the Laboratory for Atmospheric and Space Physics who has worked as a project scientist on several NASA Mars missions.

Though evidence suggests more Americans want to understand Islam, an uneasy and sometimes hostile climate has developed for Muslims living in the United States one year after the Sept. 11 terrorist attacks, according to the chair of the religious studies department at the University of Colorado at Â鶹¹ÙÍø. Professor Fred Denny, who has studied Islam in the United States and abroad since the 1960s, said he's observed both positive and negative reactions since the attacks.

Campus police at the University of Colorado at Â鶹¹ÙÍø and city authorities have a constructive reminder for new and returning students as the fall semester begins: be aware of new rules designed to stop out-of-control celebrations. Under a state law that took effect June 3, students convicted of rioting offenses will be prohibited from attending any state-supported college or university for one year.

A spin-off company formed by several University of Colorado faculty to research and treat heart failure has been selected as one of the top 100 companies that will shape the world's future by the Red Herring Magazine.