The evolution of sexual size dimorphism is likely to be affected by the am ount of resources each sex invests in offspring. M ale nuptial gifts, occurring in m any insect species, might reduce the value of large size in females and increase the value for males. For large nuptial gifts and an accom panying shift in dimorphism to evolve, males with larger gifts should be rewarded, in effect tradi...

AN ARTICLE by Belušič and Zupančič (1) described the construction of a finger pulse sensor using a singing greeting card beeper. We felt that this beeper made of piezoelectric material could be easily modified to function as a respiratory belt transducer to monitor respiratory movements. Commercially available respiratory belt transducers, such as Pneumotrace (http:// www.adinstruments.com/prod...

Adult chimpanzees produce a unique vocal signal, the pant-grunt, when encountering higher-ranking group members. The behaviour is typically directed to a specific receiver and has thus been interpreted as a 'greeting' signal. The alpha male obtains a large share of these calls, followed by the other adult males of the group. In this study, we describe the development of pant-grunting behaviour ...

1. I cordially greet all of you who took part in the International Congress: "Life-Sustaining Treatments and Vegetative State: Scientific Advances and Ethical Dilemmas". I wish to extend a special greeting to Bishop Elio Sgreccia, Vice-President of the Pontifical Academy for Life, and to Prof. Gian Luigi Gigli, President of the International Federation of Catholic Medical Associations and selfl...

Dr. Woods entered the patient exam room to meet with 6-year-old Kari and her mother. In her hand, she held the report from Dr. Hoffman, the developmental pediatrician Kari had seen two months ago, which confirmed a diagnosis of moderate to severe autism. After greeting Kari and her mother, Dr. Woods began, “I see Dr. Hoffman started Kari on guanfacine for some of her symptoms and had some recom...