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Arctic temperatures in the late 20th century, which were the warmest in four centuries, have been accompanied by a variety of other environmental changes, according to a review paper published in mid-July by a group of the worldÂ’s leading Arctic researchers.

A University of Colorado at Boulder professor and several colleagues have identified what is believed to be the youngest massive star cluster yet detected in the Milky Way Galaxy. Known as W49, the cluster appears to contain about 100 type O stars – the hottest and most massive stars in our galaxy -- that are estimated be less than 1 million years old. The cluster also is thought to be peppered with thousands of lower mass, lower luminosity stars.

CU-Boulder engineering Dean Ross Corotis led a national workshop on engineering education reform July 28 in which he detailed the collegeÂ’s successful Integrated Teaching and Learning program and groundbreaking Discovery Learning Initiative for other college educators.

Elease Robbins, interim associate vice chancellor for student affairs and dean of students at the University of Colorado at Boulder, has been appointed to the position on a permanent basis, according to Ron Stump, vice chancellor for student affairs. The appointment was approved by the Board of Regents on Aug. 3 and is effective Aug. 4. Robbins has held the position on an interim basis for the past year. The salary is $85,000.

The 5,000 people expected to attend the University of Colorado at BoulderÂ’s commencement exercises Aug. 12 at 8:30 a.m. in the historic Norlin Quadrangle are strongly urged to plan for an early arrival. Free parking will be available in the Euclid Avenue Autopark, Lot 204 off 18th Street and Broadway, Lot 308 at Regent Drive and Kittredge Loop Road, and in Lot 310 off 18th Street and Wardenburg Drive. Lots 359 and 378, near Folsom Stadium, and the Regent Drive Autopark (Lot 436 on Regent Drive) also are open and free.

COLORADO SPRINGS, COLO. - The University of Colorado Board of Regents announced today that Elizabeth "Betsy" Hoffman, 53, has been named the 20th president of the University of Colorado. Hoffman, currently Provost and Vice Chancellor for Academic Affairs at the University of Illinois at Chicago (UIC), will take over CU's top post on Sept. 1.

After hearing a fellow CU-Boulder classmate present a speech about broadcast journalism in a public speaking class, Sierra Nelson knew it was the career for her. "IÂ’ve always loved writing, and broadcast journalism is a culmination of all of the things that I like to do," said Nelson, a 22-year-old from Littleton.

Editors: The next harvest will take place on Aug. 8 at 9 a.m. outside of the north entrance of Regent Hall. Photographers are welcome to attend. Nestled among the stately buildings on campus, rows of vegetables that compose the CU-Boulder campus garden project have been weeded and watered throughout the summer by volunteers hoping for a bumper crop to benefit Boulder County residents in need.

Colorado nature photographer and local publisher John Fielder will give the commencement address at the University of Colorado at Boulder summer commencement ceremony Saturday, Aug. 12, at 8:30 a.m. in Norlin Quadrangle. CU-Boulder will confer 1,008 degrees, including 696 bachelorÂ’s degrees, 174 masterÂ’s and 138 doctoral degrees. The summer ceremony, which is much smaller than the spring and winter ceremonies, will last about two hours and include the reading of all the graduatesÂ’ names.

The Perseid meteor shower, one of the best celestial treats of the year, will be visible in night skies throughout Colorado in early August. The meteors will decorate the night sky Aug. 10 – 14, peaking on Aug. 12 when as many as 50 meteors per hour could be visible, according to experts at the Fiske Planetarium at the University of Colorado at Boulder.