If you are a parent, teacher, or policymaker, the annual release of exam results brings a familiar sense of anxiety. For ...
Morning Overview on MSN
15 sneaky math puzzles hiding inside the Great Pyramid
The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at ...
Morning Overview on MSN
5,200 mystery holes in Peru finally have an answer, archaeologists say
High in the Peruvian Andes, a serrated stripe of pits cuts across a barren hillside, so regular and extensive that early ...
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