They’re known as Blue Zones—named for the blue circles researchers drew to identify the first one on a map—and they’re home to some of the oldest and healthiest people in the world.

A few places in the world are ... are called Blue Zones because when Buettner and his colleagues were searching for these areas, they drew blue circles around them on a map. Below are some of ...

"A playable world map that includes stage-like elements is ... What is often defined as a World in other level-based platformers is called a Zone in Sonic games, so we took that and combined ...