Scientists in Israel have unveiled a blueprint for a computer based on and using DNA double helix molecules, DNA has the capacity to hold over the equivalent of a trillion of compact discs, and can be able to compute with a staggering 99.8% efficiency.
I had heard of the use of brain matter from mice in trials for bio-memory, but this would go obviously go a step further.
Here is the link: http://abc.net.au/science/news/stories/s792007.htm