Google 'Heart Graph': Geeky Surprise Will Bring You Joy On Valentine's Day (PICTURES, VIDEO) How To Unlock Google's Heart-Shaped Surprise By Courteney Palis 14/02/2012 06:18pm GMT ...

In addition to today's animated doodle, Google has released a nerdy little Valentine's Day Easter egg. If you type the following equation into the search bar, you'll be greeted by a blue heart on ...

As the extensive HeartMath website documents, studies of 11,500 people have shown improvement in mental and emotional well-being in just six to nine weeks, utilizing basic HeartMath techniques.

Like many geometric figures, a heart can be captured in all its curvaceous glory by a single algebraic equation. The equation for a sphere looks simple enough: x²+y²+z²=1.