Research comparing the auditory systems of opposite-sex co-twins, homosexual females and bisexual females is reviewed. Suggestions for how the findings may apply to other populations are provided. Next, recent twin studies of disputed memories and male sexual behaviors are summarized, as are recent events of scientific interest to twin researchers. Finally, a tribute to the late Russian twin researcher Dr. Inna Vladimirovna Ravich-Scherbo is presented.
*Address for correspondence: Nancy L. Segal, Department of Psychology, California State University, Fullerton, CA 92834, USA.
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New Sources of Reared Apart Twins; Research Reviews: Female Fitness in MaleFemale Twin Pairs, Heritability of Olfactory Thresholds and the Twelfth International Twin Congress; Multiple Birth Conceptions: Rethinking Things; Double Donations .
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