The world of science is packed with amazing people and discoveries, from ancient times all the way until today. However, something else has always been a part of science. 'Science Ethics and Controversies' explores the issues in science that have caused debate and disagreement - and those that are still being argued about today. What's the best energy source for the future? Should scientists continue to study stem cells? Read this book to become informed - and participate in the discussions yourself! Sci-Hi is an engaging, comprehensive, and visually stimulating series that takes learning science core curriculum to a whole new level.