"It's awful to see small and midsized business owners crying and begging you to pay them because they have no money for food."

An article about how ordinary Spanish villagers find themselves working voluntarily to pull their villages out of debt.
Phrases and vocabulary:
work off a debt: to pay a debt by working.
bankruptcy: quiebra, bancarrota
to do their share: to contribute
drastic measures: medidas drásticas
stretchers:  portable beds to carry patients to hospital,  camillas
power grid: red eléctrica
bailed out: rescatado
rundown, a rundown sports centre: a building in bad condition, in a neglected state

shameless scoundrels: sinvergüenzas

to breathe a sigh of relief: sentir alivio

unpaid bill, a million euros in unpaid bills: facturas sin pagar

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