The post-9/11 rise in military spending was larger than the rise during Vietnam and during the Cold War. And even if we implement every single cut in the sequester, the fall in spending would be ...

NPR's Scott Simon takes a moment to remember the legacy of computer scientist Larry Tesler, the man who came up the copy-and-paste function. Tesler died this week at the age of 74.

Learn how to use functions to represent translations, sketches, compressions and reflections of graphs with GCSE Bitesize Maths.