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An international research team led by the 精品SM在线影片 and the University of Helsinki has discovered a surprising new chemical compound in Earth鈥檚 atmosphere that reacts with sulfur dioxide to form sulfuric acid, which is known to have significant impacts on climate and health.

If you鈥檙e a planetarium junkie in the Boulder area, your experience is about to get a major upgrade. The astrophysical and planetary sciences department, home to Fiske Planetarium, announced today the launch of a complete upgrade to the projection and other presentation systems that power the planetarium鈥檚 big-screen experience. The remodel will turn the dome of the planetarium into an all-encompassing video theater.

A tiny satellite designed, built and tested by 精品SM在线影片 students to study solar flares may launch as early as Aug. 14 from Vandenberg Air Force Base near Lompoc, Calif.

Despite sharp increases in carbon dioxide emissions by humans in recent decades that are warming the planet, Earth鈥檚 vegetation and oceans continue to soak up about half of them, according to a surprising new study led by the 精品SM在线影片.

The Later Stone Age emerged in South Africa more than 20,000 years earlier than previously believed -- about the same time humans were migrating from Africa to the European continent, says a new international study led by CU-Boulder researcher Paola Villa, a curator at the University of Colorado Museum of Natural History .

The Later Stone Age emerged in South Africa more than 20,000 years earlier than previously believed -- about the same time humans were migrating from Africa to the European continent, says a new international study led by the 精品SM在线影片.

CU Opera provided student vocalists for the lead roles in the Colorado Music Festival鈥檚 presentation of Hans Krasa鈥檚 鈥淏rundibar," June 28-29.

Michael Radelet , professor of sociology, is an expert on the use of the death penalty in Colorado and the United States. He has documented all of Colorado鈥檚 executions and notes that Colorado abolished the penalty between 1897 and 1901, came within one vote of abolishing it again in 2009 and has executed only one person since 1967. 鈥淲e've always debated the death penalty in Colorado, and the general thrust of our history is in the direction of abolition,鈥� he said.

Kenneth Foote , professor of geography, studies how events of violence and tragedy are memorialized and remembered. He has visited hundreds of sites that have been scarred by incidents of violence or tragedy in the United States and abroad, and is the author of the book 鈥淪hadowed Ground: America鈥檚 Landscapes of Violence and Tragedy.鈥� He can be reached at kfoote@colorado.edu or 303-641-3346.