Numerous studies indicate African-Americans and Hispanics receive a poorer quality of health care than non-Hispanic whites, even when they have the same levels of income and health insurance coverage.

VOA: standard.2010.03.05

The injury rate, on average, is about 25 percent lower for people riding in hybrid vehicles compared with the non hybrid versions of the same cars.

FORBES: Hybrids: Two New Reports Reveal Good and Bad News

We can see that a Retina iPad screen is a much bigger power hog than a non-Retina screen of the same size.

FORBES: Links 13 Nov: The Apple iPhone 5S Rumours Are Flying

Mikhail Tal against Mikhail Botvinnik in the early 1960s had the same hallmarks of the non-Russian outsider against the Soviet stalwart, but failed to develop into a sustained struggle.

BBC: The great rivalries of chess