HORRIBLE SCIENCE: BULGING BRAINS is full of the most squishing, gooey and stinky facts about the human brain! It looks like a huge grey bogey or something you'd step in by mistake - but your incredible brain holds all your knowledge, dreams and feelings. Even if your teacher won't admit it, it's amazing! You'll see: what happens if you cut your brain in half, what your brain bits 'n' pieces do, how to do your own brilliant brain surgery and why it's clever to feel pain.