# Reference request: Article from The Economist

In a 2012 article in The Economist entitled "The half-life of facts", mathematician Samuel Arbesman states that "two high-school students figured out a new way to prove one of Euclid's theorems, something that had not been done in a thousand years."

What theorem is he referring to? Who are these students? Is there a publication?

• Is there a publication? Yes: the book which the author discusses on the linked page. Samuel Arbesman, a mathematician at Harvard, calls this "The Half-life of Facts", the title of his new book. In it he explains . . . – Weather Vane Sep 10 at 19:28