One of the world's great mathematicians shows why math is the ultimate timesaver--and how everyone can make their lives easier with a few simple shortcuts. We are often told that hard work is the key to success. But success isn't about hard work - it's about shortcuts.Shortcuts allow us to solve one problem quickly so that we can tackle an even bigger one. They make us capable of doing great things.And according to Marcus du Sautoy, math is the very...