When a tortoise challenges a great Greek hero to use his logic in order to decipher a simple philosophical argument, slight chaos ensues. ‘What the Tortoise S

Covering the entire body of Mark Twain's fiction, Clark Griffith in Achilles and the Tortoise answers two questions: How did Mark Twain write? And why is he fun

In this collection of wise, witty and fascinating essays, Borges discusses the existence (or non-existence) of Hell, the flaws in English literary detectives, t

'This sentence is false'. Is it? If a hotel with an infinite number of rooms is fully occupied, can it still accommodate a new guest? How can we have emotional

An entertaining look at the origins of mathematical symbols While all of us regularly use basic math symbols such as those for plus, minus, and equals, few of u