It's provided by AAAS & called Science in the Classroom (SiTC). They provide annotated Science articles that you can use in class. Here's a link to an article about this new resource: AAAS offers new tools
You can find the annotated Science articles here:
(and apparently they will be adding new articles twice a month to the SiTC site, on the second and fourth Thursdays at 2:00 pm Eastern time!)
I haven't used it yet, but if I do I'll let you know how it goes!
