longevity

Importantly, the additives dramatically improve the flow battery's performance, increasing the efficiency and longevity of the chemical system.

That could have been the end of the story—but meanwhile, on the other side of the world, someone else was also looking for the secrets of longevity.

Poulain would then go on to calculate the “extreme longevity index”—the number of centenarians born each year in the region divided by the total number of births recorded during that same period.

He then used statistical models to try to estimate the influence of each variable on longevity.

He describes it not as a place with traditional healthy habits, but as an “engineered longevity hot spot” or a “blue zone 2.0”—a place where high longevity has not been achieved by traditional wisdom, but through public policies, such as increasing access to healthy food or helping people connect more.