The Harvard Chicago study, however, which looked at fast-food restaurants generally, found that the percentage of schools with at least one fast-food restaurant within easy access of the school yard is the same regardless of the level of commercialization of the neighborhood.

NPR: Kids Have Easy Access to Junk Food

As a dietary supplement, carnitine is designated as "generally regarded as safe" by the Food and Drug Administration, but few studies have looked at its long-term safety.

WSJ: New Health Culprit Carnitine Found in Red Meat

Quality looked generally good in our tests, increasing and decreasing dynamically based on the connection quality, but again maxing out at 720p.

ENGADGET: Microsoft's 1080p LifeCam Studio review