Take A Weight Off: 'Grand K' Kilo Being Retired

In a historic vote, nations on Friday unanimously approved a groundbreaking overhaul to the international system of measurements that underpins global trade and other vital human endeavors, uniting behind new scientific definitions for the kilogram and other units in a way that they have failed to do on so many other issues. Scientists, for whom the update represents decades of work, clapped, cheered and even wept as the 50-plus nations gathered in Versailles, west of Paris, and one by...

© La Voix de l'Amérique - vendredi 16 novembre 2018