image creditThese days, renewable and alternative energy sources are in high demand, and when you think about 'green' electricity, solar power and wind farms probably spring to mind.
But have you heard about microbial fuel cells? MFCs contain bacteria that convert organic material, such as food and bodily waste, into electricity, leaving clean water behind. So in addition to being a potential source of renewable energy, MFCs can also provide people in rural areas with sanitary water.
