​We should be more focused on a fingernail, hair, and bodily fluids based economy.

All these scientists keep trying to figure out how to harness the power of the sun, or how to make gas cleaner. What we should be doing is figuring out how to use the waste products of our bodies to fuel our society. Think of all that hair people grow and just cut off? DARPA should be working on a formula to use hair to power homes and go karts and what have you. At the very least, we should be doing something with all this urine. Come on.