Operation Ouch Issue 3 - Fears, ears & puke power

In the newest issue of Operation Ouch magazine, find out what happens inside your belly just before you vomit, how feeling scared affects your brain, and the amazing power of your muscles! Plus, learn a little more about Mr Grumbles and his favourite things, the special vibrations that happen in your ears that let you hear, and make your own edible earwax! With brain-busting puzzles, cool STEM experiments, and gross alerts galore this issue is packed full of awesome (gruesome) fun!