Try and see how well you can keep the runner s pulse, breathing, and sweating levels constant. It looks like a giant walnut and is about the size of a melon. In Brain Matters you can find out. There are also models of animal brains for you to look at in beasty brains and models of human brains of different ages for you to weigh and compare. Your brain uses hundreds of tricks and shortcuts to make sense of what you see.
Life is full of illusions.
Your brain fills in missing information and makes best guesses . Scientists use illusions to understand how your brain makes sense of the world. In Gregory s games you can tease your brain with mind bending illusions at the same time as learning how your brain deals with them. If you like illusions you might also like to try some of our online Optical Illusions . In Super senses you can discover the secrets to your senses, peer through a huge eye and find out why some people are colour blind, see inside your ear and test how powerful your sense of smell is.