A simple question about a spinning needle has haunted mathematicians for more than a century. It led to the Kakeya conjecture ...

If you’re a hacker you may well have a passing interest in math, and if you have an interest in math you might like to hear ...

An introduction to the structure of deductive arguments, how to evaluate them, and why a bad argument doesn’t necessarily ...

Noughts and Crosses shows systems of oppression at work and how enable racial segregation and traumatise people.

A ge takes away many things: taut skin, white teeth, clear vision, ease of movement, suppleness, and the need to be polite.

The goal of bearproofing your camp is to minimize odors that might attract bears, and to set up safe storage areas for food and garbage that are out of reach of bears and are away from your sleeping ...