Google Doodle turns spotlight on the quadratic equation: The formula behind every curve explained

Google's latest doodle in India celebrates the quadratic equation, ax² + bx + c = 0, showcasing its real-world applications ...
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Science history: Russian mathematician quietly publishes paper — and solves one of the most famous unsolved conjectures in mathematics — Nov. 11, 2002

Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.