Cafe Scientifique returns

Cafe Scientifique Pittsburgh begins its second season of informal scientific discussions with a session featuring Dr. Eric Lagasse, director of the Cancer Stem Cell Center at the University of Pittsburgh Medical School.

Lagasse will discuss the concept that some cancers may be caused by mutated stem cells at the session, which is open to the public. The group meets at 7 p.m. today at Penn Brewery, Troy Hill.

Next month's session will be Oct. 3 and feature Dr. Vic Weedn of Carnegie Mellon University, discussing developments in forensic science.

Science2005 in October

The University of Pittsburgh's fifth annual showcase of science and technology, Science2005: The New Research Ecology, will be Oct. 6 and 7 in Alumni Hall in Oakland.

The free, public program includes lectures on topics such as the science of aging, Einsteinian principles and brain imaging. More information will be posted online as it becomes available at www.science2005.pitt.edu.

Featured speakers will include Ronald W. Davis, director of the Stanford Genome Technology Center and the winner of this year's Dickson Prize in Medicine and molecular biologist Cynthia Kenyon of the University of California, San Francisco, who will present the annual Mellon Lecture.