Ninja Polymers!

Seriously, having the word "ninja" associated with your research is just pretty awesome, no matter what your field is.  Researchers at IBM have produced a self-assembling, ninja polymer that targets and destroys bacteria, and then it disappears into the darkness (well, degrades in the body, but the ninja description is just too good here).  Read more about it here.

Oh no, Canada!

Seems that plastic currency still needs some tweaking, though the failure rate is still much less than 1%.  Read more here.