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Shaun Keaveny - Today we can all enjoy a Leap Second! Professor Brian Cox told us why... - 成人快手 Sounds

From: Shaun Keaveny

Today we can all enjoy a Leap Second! Professor Brian Cox told us why...Today we can all enjoy a Leap Second! Professor Brian Cox told us why...

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Brian explains to Shaun why we are all able to bask in an extra second on 30th June 2015.

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Shaun Keaveny
Today we can all enjoy a Leap Second! Professor Brian Cox told us why...
Brian explains to Shaun why we are all able to bask in an extra second on 30th June 2015.
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