In the waters off Iwo Jima, a volcanic island in Japan’s Satsuma archipelago, the sea has a distinct green tint. It’s not ...

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese ...

Yet green remains the color associated with St. Patrick’s Day and Ireland throughout the world, largely due to the Catholic diaspora and its association with nationalism. However, blue still ...