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Professor Lawrence Young of the Massachusetts Institute of Technology will speak at CU-Boulder Thursday, Jan. 21, on the challenges of human exploration of the solar system.

The second annual Career Fair for Graduating Students at the University of Colorado at Boulder will be held Jan. 27 from 10 a.m. to 4 p.m. in the University Memorial Center Glenn Miller Ballroom. More than 90 organizations are looking for graduates from all majors. Liberal arts students, as well as business and engineering students, are encouraged to attend. The fair is free and open to CU students and alumni only. No registration is necessary.

The Minority Arts and Sciences Program (MASP) and United Campus Ministries at the University of Colorado at Boulder are sponsoring a tribute to Martin Luther King. Jr. on Monday, Jan. 18, at 7:30 p.m. The event will be held at the First Christian Church, 950 28th St. "This year we have a unique opportunity to expand our approach to celebrating Martin Luther King and his message. Rev. Smith and I are tremendously pleased about the new event," said Alphonse Keasley, MASP director. "There will be two hours full of musical joy and inspirational messages."

Robert D. Ballard, the renowned deep-sea explorer and scientist who discovered the sunken Titanic, the Bismarck and the Yorktown, will lecture at the University of Colorado at Boulder on Feb. 3. Ballard, one of the world's premiere spokespersons for marine research, will give a free illustrated lecture on "Deep Sea Explorations" at 8 p.m. in Macky Auditorium. The 34th annual George Gamow Memorial Lecture is intended for general audiences.

Peering deep into a distant galaxy, astronomers from the University of Wisconsin, Madison and the University of Colorado at Boulder have obtained a glimpse of what may be the youngest massive star clusters ever observed.

Erica Ellington, who became fascinated with the universe when she was only 5 years old, this week will take Fiske Planetarium audiences out to the distant star clusters previously visited only in science fiction. The assistant professor in the University of Colorado at BoulderÂ’s department of astrophysics and planetary sciences, will present public programs on "Galaxies at the Edge of the Universe," on Tuesday, Jan. 12, and Friday, Jan. 15, at 7:30 p.m.

A University of Colorado at Boulder research project on long-term ecological changes occurring in an alpine region west of Boulder will continue for at least six more years as a result of a $4.2 million renewal grant from the National Science Foundation.

EDITORS: In some cases, reporters can arrange meetings with these business leaders prior to or following their lectures. Contact Laurie Van Horn, (303) 492-2224, for information. Undergraduate students in CU-BoulderÂ’s Profiles in American Enterprise class will hear from a variety of top CEOs this semester from telecommunications companies like Nextel and Qwest to retailers like Wild Oats.

Fiske Planetarium at the University of Colorado at Boulder will present a series of monthly astronomy shows this spring that will take viewers from black holes to the very edges of the universe. The monthly sky shows, in addition to the regular Friday evening and Tuesday evening programs, will be led by noted CU astronomers and will use the planetariumÂ’s versatile imagery to visualize the cosmos. The in-depth presentations are intended for adults and children age 12 and over.

The earliest humans who peopled Australia some 55,000 years ago may have inadvertently disrupted the continent's food chain by burning vast areas of native vegetation, resulting in the extinction of most large animal species.