6 Tuesday, November 24, 1987 / University Daily Kansan Australian expert on twins to talk on genetic research By JENNIFER ROWLAND Staff writer David Hay, director of the LaTrobe Twin Study, will speak at 13:00 a.m. today in 2048 Mallott Hall about "Use and Abuse of Twins in the Genetics of Behavioral Disorders." Hay, a professor of psychology at LaTrobe University in Melbourne, Australia, also spoke at KU in 1985. "A lot of our work is concerned with what makes twins different from other people," Hay said yesterday. "I'm encouraging people to use twins in research but to think of them more critically." he said. "Think of twins as people and not just a vehicle for genetics." Studying other members of twins' families builds a check and balance into research, Hay said. Hay's visit is sponsored by the department of psychology, the department of anthropology and the Midwestern Family Twin Registry. "We are not just studying twins but the mothers, brothers who are not experiencing the same problems." Hay said. Michael Crawford, professor of anthropology, said he hoped Hay's visit would provide information about twin registries. The LaTero Study that Hay directs involves about 2,100 children, including twins and their relatives. The Midwestern Twin Registry will be started in January at KU. The registry will create a pool of twins for research. Hay said that one child in 47 was a twin and that an average twin was four weeks premature and two pounds lighter than normal birth weight. The mortality rate of twins at birth is five times that of other children. Hay said. Hay said twins were a high-risk group for disorders in reading, language and social development. The disorders could be caused by pre-natal biological factors or post-natal environmental factors. For example, Hay said parents of twins might not be able to spend as much time with them as they would with one child. California rocked by another quake The Associated Press WESTMORLAND, Calif. — An earthquake more powerful than the one that caused heavy damage near Los Angeles Oct. 1 jolted Southern California yesterday, cracking windows and knocking items off shelves, authorities said. There were no immediate reports of injuries or serious damage. The earthquake struck at 5:54 p.m. and registered a preliminary reading of 6.0 on the Richter scale, said U.S. Geological Survey spokesman Don Finley in Washington. It was centered near Westmorland, about 90 miles east of San Diego, he said. The Oct. 1 quake that caused severe damage in the Los Angeles suburb of Whittier registered 5.9. Early reports said the earthquake was felt over a wide area, including Los Angeles, San Diego and Palm Springs, Calif.; Yuma and Parker in northeastern Arkansas, 330 miles to the north-eastern Arctic. The quake knocked out traffic lights, cracked windows and rattled items off shelves in stores and homes in the desert community of Westmorland, with a population of about 1,500. From the KU Weather Service Police Chief Robert Taylor, who commands four officers, said, "The only damage that has been reported is some merchandise falling off bottles, bottles, and one resident whose light fixtures fell off the ceiling." The quake was preceded by a shock measuring 4.3 on the Richter scale, said Robert Finn, a spokesman for the California Institute of Technology in Pasadena, who said the quake itself registered a preliminary magnitude of about 6.2. Loans Continued from p. 1 KU's student loans, charge students a fee on every loan. They deposit that money in reserves to pay for the paperwork associated with processing loans and to pay off loans when students default. Martin said many politicians and education officials in Washington thought the reserves of these companies were too large and should be reduced. Martin said that some people in Washington had suggested increasing the interest rate charged on GSLs but that that idea would not receive congressional support and would not give the government the immediate savings it desired. Cynthia Rapp, spokesman for Rep. Jim Slattery, D-Kan., said she was unsure where the budget reduction cuts would come and predicted that Congress would tinker with last week's compromise before a House vote occurred. "It's still up in the air exactly what the final compromise will look like," Rapp said. WEATHER Lawrence Forecast "Use and Abuse of Twins in the Genetics of Behavioral Disorders," a lecture by David Hay, LaTribe University, Australia, is scheduled at 11:30 a.m. today at 2048 Malott Hall. 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