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As a result of this revolution , expertise in computer science is essential in many new areas , including computer and network service and consulting companies , financial institutions , health industries , natural science and medical research labs , and other contexts where intensive manipulation of information is important . Theatre Arts welcomes students who wish to major and make theatre the primary focus of their academic careers at Penn , as well as students who wish to take a course or two to enrich their educational experience . Successful training involved 1 ) the sudden bursting of the model predator from a box in association with a loud noise and recordings of hare-wallaby alarm calls or 2 ) a model that ' lept ' at hare-wallabies as they approached and a simultaneous squirt from a water gun . It 's a Hummingbird 's Life depicts the life cycle of the ruby-throated hummingbird using interesting and exciting prose , engaging illustrations , and creative layout . The USFWS has authority to use a variety of methods to manage any wolves which attack or kill livestock or domestic animals , and remains committed to effectively dealing with depredating wolves .