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It Happened Today On this date in 1976 the Viking 2 spacecraft lands at Utopia Planitia on Mars takes the first close-up, color photos of the planet's surface.
Teaching Tip Walk to the back of the room to see how big your writing on the chalkboard looks to the student farthest away.
Technology Tip Strange behavior with Macintosh computer programs can frequently be solved by throwing away the program's preferences file located in the preferences folder in the system folder. Doing this will often save you the trouble of having to reinstall the software again.
Site News Today in History database has been updated and links verified.
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