If cells and lysosomes get your mental juices flowing, the "TGF - Signaling in Development and Cancer" lecture would be a great way to kick off the second week of school. Stuart Newfield, an assistant professor of biology and molecular and cellular biology at Arizona State University, will present the biology and anatomy seminar at 4 p.m. in the Life Sciences North building, Room 452. Students, staff and faculty are welcome to enjoy refreshments at 3:45 p.m. The Grant on Cardiac Cell Phenotypes sponsors the seminar. Contact Jacque Parker at 626-6563 or e-mail her at jparker@u.arizona.edu for more information.

Primetime television only features so many stars. To marvel at the rest of them, go to the Steward Observatory, Room N210, and listen to Hans-Walter Rix, director of the Max Planck Institute for Astronomy in Hamburg, Germany, tell students, staff and faculty about "The World's Best Observatory: The VLT" from 7:30 p.m. to 8:30 p.m. For more information, contact Thomas A. Fleming at 621-5049 or e-mail him at taf@as.arizona.edu.

The UA women hoopsters are back in action tonight in McKale Center. Cheer on the team at 7 p.m. as it battles the University of California-Santa Barbara Gauchos. For adults, tickets cost $5, while senior citizens and youth tickets are $3. For more information, contact the McKale Ticket Office at 621-2287 or visit http://www.arizcats.com.

If you like feathery birds, not Larry Birds, you can skip the basketball game and head over to University Medical Center's DuVal Auditorium from 7 p.m. to 9 p.m. to hear about the Galapagos Islands and their biodiversity on land and in the sea. The Tucson Audubon Society program features a photo safari of the area from Chuck Clayton, an explorer, diver and photographer. For more information, contact Sonja Macys at 622-5622, or e-mail the society at tucsonaudubonso1@qwest.net.

The Career Services Center continues its counseling services from 1 p.m. to 3 p.m. today at the main desk on the lower level in Old Main. No sign-up is required for some help finding a long- or short-term method of bringing home the bacon. For more information, contact Career Services at 621-4224, e-mail the staff at careerservices@u.arizona.edu or visit its Web site at http://www.career.arizona.edu.