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Operation Ouch Issue 19 - Crime Science featured-on-homepage Our puzzles and creative pagesUh oh! There's trouble afoot in the newest issue of Operation Ouch! magazine. Learn all about how forensic science is used to solve crimes by using special ultraviolet lights. Can you crack the case? Plus, learn why salt is so important for your body's ability to make sweat, how enzymes cause chemical reactions, and train you brain to better store positive thoughts. You'll even take a peek inside Dr Chris's lungs! With STEM experiments, art and craft,
US$ 11.99
US$ 12.99
US$ 11.99