About earthquakes

Published: May 17 2011 05:15:22 PM EDT   Updated On: Apr 11 2012 09:31:20 AM EDT

Learn what causes earthquakes and look back at the biggest ones to ever rattle the U.S.

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Best ways to start every work day

businesswoman working on computer in office

iStock / shironosov

Morning routines are crucial for work day success, according to some career experts. Take a look at the most important things you should do at the start of every work day.