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Reflections on Secret Intelligence

Sir David Omand KCB, Former Security and Intelligence Co-ordinator, The...

Arabic mathematicians embraced the mathematics of Ancient Greece and India...

My lectures have shown that while most human behaviours are...

How can we distinguish between 'easy problems' and 'hard problems'...

Prime numbers form the building blocks of arithmetic. But if...

The concept of zero developed in many cultures over thousands...

It is often argued that mathematics as we know it...

Many thousands of surviving mathematical clay tablets provide much information...

Modern police forces and governments frequently claim victories in the...

This was the 2004 annual Gray's Inn Reading.