Fluorescent Dye Lights Up Cancer Cells

I saw this piece of news a while back and I remember thinking  "Wow"  then I saw it more recently and I still felt the same way so I thought to myself  "Let me share it with the kids".  

A very basic explanation of the situation is - to light up the bad cells the investigators worked from the basis that the majority of these bad cells had a tendency to attract folic acid.  So folic acid was mixed with a fluorescent substance and injected into the patient who is then monitored with a camera during surgery.

A really simple article with an easy-to-understand video, take a look.

Here is the interesting vocabulary from the article:

envisioned: imagine as a future possibility

to varying degrees: in different levels (en varios grados, niveles)

to branch and wind their way: to break off in different directions (ramificar y serpentear)

Vocabulary from the video:

Shedding light, to shed light on the matter: (a CAE collocation I am sure) to bring information to the subject which makes it clearer.

to take a significant step

to enable

to target other forms of cancer: to make other forms of cancer your objective

stark, the contrast is stark:  obvious, evident, well defined