Earthquakes Magnitude Scale and Classes

Very early this morning here in St. Louis, Missouri, we experienced a Magnitude 5.2 Earthquake (Google Earth). Then later in the day we experienced an aftershock of magnitude 4.5.

Would you like to learn more about Earthquakes Magnitude Scale and Classes? Visit the UPSeis: an education site for budding seismologists.

60 Minutes Report - Return Trip: Back to the Moon

This video report and the several that are linked from it caught my ear. Mostly, it was the following colorful tagline that opens the story.

You may not know it, but the journey to send humans back to the moon --and beyond-- has already begun.

Hear more at Yahoo! Video - Return Trip: Back to the Moon. Although one piece of sad related news is that the space shuttle program is being retired. However, it is being replaced by a new program.