Mastadon tracks to hit museum

The Museum of Natural History will be covered with mastodon tracks on Nov. 22 as University paleontologist Daniel Fisher presents a 40-foot plastic mold of the extinct mammal's footprints.

Fisher and a group of assistants discovered the 10,000-year-old footprints near a small lake in Saline four years ago, but the tracks were too fragile to bring to the museum, so the group resolved to make a mold of them.

Fisher said the footprints, some of which measured 20 inches across, were made by a large male about nine feet tall at the shoulder and weighing around six tons.

The presentation, including a slide show, is free to the public and will begin at 7:30 p.m.

Neal to introduce navigation center

The Hatcher Graduate Library's Knowledge Navigation Center will be charted by University interim President Homer Neal, who will present the center to the campus community next week.

All are invited to stop by to sample and inquire about the imaging systems, geographic data systems, text analysis tools, interactive telecommunication and other services provided by the center.

The Knowledge Navigation Center is on the second floor of the graduate library and is open Monday-Friday from 10 a.m. to 5 p.m. The presentation is Nov. 19 and begins at 11:30 a.m.

Menstruation evolution studied

Cyclical growth and absorption of the endometrium - the lining of the uterus - requires less energy than keeping the tissue prepared to receive an embryo.

"The energy economy of menstruation may be of ancient origin," said Beverly Strassmann, University assistant professor of anthropology, who studied the menstrual cycles of tribal women in West Africa to gain insight into how menstruation has evolved.

Strassman concluded that menstruation evolved to conserve a woman's energy in preparing for pregnancy and refuted a rival theory that says menstruation occurs to remove sperm-borne bacteria from the uterus.

Study: Hepatitis treatment lacking

Usually if a disease is detected early, treatment is more likely to be effective, but this is not the case with an ordinary form of hepatitis, according to Dr. Luis Belart of the Louisiana State University Medical Center.

In his study, Belart and fellow doctors gave alpha-interferon - the standard treatment - to 14 patients whose blood tests indicated they had hepatitis C, but showed no signs of abnormal liver enzyme levels.

The early treatment was expected to deliver better results to the patients, but there were no signs of improvement. The results were puzzling to doctors.

"The bottom line is that the study re-emphasizes the need for improved antiviral drugs to combat this very common infectious disease," said Dr. Stanley Lemon of the University of North Carolina at Chapel Hill.

The Hepatitis C virus causes liver cancer and kills nearly 10,000 Americans each year.

- Compiled from staff and wire reports by Daily Staff Reporter Brian Campbell.

11-14-96

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