The SI system, adopted in 1960, provides a globally consistent framework for measurements. Learn about the International ...

As agreed upon by scientists and representatives from around 60 countries last year, the world's measuring systems are shifting away from using physical standards. Among the most prominent of these is ...

Meters, kilograms, degrees Celsius. To most Americans, these units of measurement are little more than funny inconveniences on trips abroad. To scientists, they’re the very standards that allow for ...