The only way this could be explained was if the inner core was spinning slightly faster than the rest of the planet.

BBC: NEWS | Science/Nature | Earth's core runs ahead of crust

Most big German companies these days are focusing on their core business and spinning off units, rather than building by acquisition.

ECONOMIST: American investors fight each other over Celanese

Use that sugar buzz to walk east a mile, under the clackety El train tracks, through downtown's money-spinning core, to the Art Institute of Chicago (111 S Michigan Ave).

BBC: A perfect day in Chicago

That marathon battery life is made possible in part by the slow-spinning 4, 200 rpm 30GB hard drive and low-power (in more ways than one) Core Solo U1300 processor, running at a sprightly 1.06GHz.

ENGADGET: Toshiba updates Dynabooks with new SS S30 and SS M36