Foldit is a revolutionary new computer game enabling you to contribute to important scientific research. Proteins are the workhorses in every cell of every living thing. Your body is made up of trillions of cells, of all different kinds: muscle cells, brain cells, blood cells, and more. Inside those cells, proteins are allowing your body to do what it does: break down food to power your muscles, send signals through your brain that control the body, and transport nutrients though your blood. Proteins come in thousands of different varieties, but they all have a lot in common