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A Closer Look at Dinosaurs Kindergarten-LifelongWhat can dinosaur eggs and eggshell fragments tell us about how and where these animals lived? James Hayward, a Professor of Biology at Andrews University, shares what he's learned about dinosaur eggs and related topics to inspire teachers and students to... -
Ethical Choices in the Genetic Age, Part 1: Reproductive Cloning Grade 9-LifelongIn Part 1 of this article, Zuccarelli discusses recent developments and ethical issues raised on the topic of reproductive cloning. He sets out to provide basic information about reproductive cloning, stem cells, and gene therapy, and suggests that three factors...