http://kotaku.com/5541911/scientists-implant-biofuel-cells-into-rats-i-call-next
Basically this works by turning Sugar into electricity using certain enzymes if they get this working in humans I could theoretically down a bottle of Gatorade to charge my iphone.
Basically this works by turning Sugar into electricity using certain enzymes if they get this working in humans I could theoretically down a bottle of Gatorade to charge my iphone.