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"Why Consciousness is Still A Mystery" is the title of a Feb. 13 University Forum lecture at UNLV.

David Chalmers, professor of philosophy and director of the Center for Consciousness Studies at the University of Arizona, will discuss why human consciousness still defies explanation, despite the many attempts by philosophers and psychologists to understand it.

On Feb. 18, Steve Rowland, professor of geoscience at UNLV, will present a slide-illustrated lecture entitled "Archaeology and Geology in the Writings of Mark Twain."

During his presentation, Rowland will read passages from Twain's writing that reflect the rapid developments in archaeology, paleontology, and geology that occurred during his life. He will also discuss how Twain's treatment of scientific themes changed as the sciences matured.

Both lectures will be held at 7:30 p.m. in the auditorium of the Marjorie Barrick Museum of Natural History. All University Forum lectures are free and open to the public.

The University Forum lecture series is sponsored by the College of Liberal Arts and is underwritten by The Jerry Kalafatis Lodge Charitable Foundation and the UNLV Foundation.

UNLV is a doctoral-degree-granting institution with nearly 25,000 students and more than 800 faculty members. More than 180 undergraduate, master's, and doctoral degrees are offered. Founded in 1957, UNLV is located on 337 acres in dynamic Southern Nevada. The university is ranked in the category of Doctoral/Research Universities-Intensive by the Carnegie Foundation for the Advancement of Teaching.