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.

To call on children randomly, write their names on Popsicle sticks. Pull these at random from a cup. This also helps keep the kids on task since they don't know who will be called on next.

Under Mac OS you can zap the parameter ram by holding down the P,R, Apple and option keys while powering up the system. Hold these four keys down until the computer asks if you want to reset the parameter RAM.

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