The ultimate wordfind puzzle

Working in the world’s oldest library, researchers are using high-tech ‘eyes’ to reveal ancient texts hidden within newer ones

By Mark Schrope, 17:15 PM January 27, 2014

In the middle of Egypt’s Sinai Desert stands a huge fortress. Its walls reach 18 meters (60 feet) high and enclose St. Catherine’s monastery. It is home to the world’s longest continuously operated library. For more than 1,500 years, monks have cared for the library’s priceless books and manuscripts.

The library is very remote. Surrounded by bare, brown mountains, it once took weeks by camel to reach St. Catherine’s. Today, visitors can fly in to the closest airport, in Sharm El Sheikh. But re...

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