It's like Sisyphus rolling the ball up the hill, a thirst that can't be quenched.

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To make sense of it all, Dunnhumby's analysts cooked up an algorithm called the rolling ball.

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President Bush got the ball rolling, and President Obama has sped up the process of destroying the country through debt.

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Garnett got a technical in the second quarter and tangled up Kris Humphries for a jump ball that had the Celtics star rolling over the Nets' forward midway into the fourth.

WSJ: Williams carries Nets to 101-93 win over Celtics

Garnett got a technical in the second quarter and tangled up Kris Humphries for a jump ball that had the Celtics star rolling over the Nets' center midway into the fourth.

WSJ: Williams carries Nets to 101-93 win over Celtics

If the wind was against you, the ball would hold up allowing it to drop on the green and stop it rolling through.

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The grown-up Ronaldinho pulls off one move, rolling his foot around the ball in midair, and then darting off in a new direction that's so breathtaking, I've been watching the clip over and over.

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In a start-up, all too often the original idea is good and gets the ball rolling.

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Since keeping the ball stable requires abdominal strength and concentration, distracted workers may not maintain good posture or end up rolling onto the floor.

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