Japan Quake shortens day's length

This weekend on The Feed: Dramatic amateur footage from Japan shows the moment the tsunami hit.

Scientists say the massive 8.9 earthquake that struck northeast Japan has accelerated the Earth's rotation and shortened the length of a day by 1.8 microseconds.

In other news, March fourteenth is National Pi Day, not the dessert but the number beloved by mathematicians everywhere.

In Chicago, the annual river dyeing ceremony took place ahead of St. Patrick's Day. Turning the Chicago River green has been a tradition for the last 40 years.

And perhaps a sign of hard economic times, the South Carolina state Museum is held a garage sale Saturday.

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