Always complete easy tasks, like reading a memo – never switch between small projects. "The mind holds only about seven pieces of information at a time," says Carnegie Mellon psychologist David Creswell. "If you switch to other tasks, those pieces of information get scrambled and need to be relearned. It's a complete time waster." Bottom line: Don't try to do two simple tasks at once.
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From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
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