Imagine, then, how precious centuries-old manuscripts are, those like the Archimedes palimpsest that were hand-written on parchment and other materials long before the invention of the printing ...

The thousand-year-old manuscript contains the earliest surviving writings by Archimedes, a Greek thinker who is regarded as the greatest mathematician of antiquity. The story of the 174-page ...

Pi Day is Friday, March 14. The relatively new holiday is a celebration of the mathematical calculation pi, or the infinite number representing the constant ratio of a circle’s circumference to its ...