nice article

"Biosupercomputer could be 100 times more energy efficient than regular transistor computers

 The substance that provides energy to all the cells in our bodies, Adenosine triphosphate (ATP), may also be able to power the next generation of supercomputers. 

That is what an international team of researchers led by Prof. Nicolau, the Chair of the Department of Bioengineering at McGill, believe."- source

Brief snippet from a nice article on biological computers.