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Neil deGrasse Tyson @neiltyson
June 30, 2012: Today's final minute gets a LeapSecond. to account for sloshing tides on coastlines, slowing Earth's rotation. — PolitiTweet.org
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Sat Jun 30 12:19:19 +0000 2012
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Likely AvailableNeil deGrasse Tyson @neiltyson
June 30, 2012: Today's final minute gets a LeapSecond. to account for sloshing tides on coastlines, slowing Earth's rotation. — PolitiTweet.org