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WATCH: Can 'World's Roundest Object' Solve Scientific Quandary?

The Huffington Post | Ryan Grenoble | Posted 01.12.2015 | Science

In a world where everything strives to be the best and the biggest, scientists behind The Avogadro Project in Australia have sought a surprising super...

Kilogram Has Put On Weight, Scientists Say

Posted 01.07.2013 | Science

By: Tia Ghose Published: 01/06/2013 07:55 PM EST on LiveScience The kilogram may need to go on a diet. The international standard, a cylinder-shap...