My voyage to explore how Marshallese sailors find their way at sea without technology

One of the biggest navigation challenges is knowing where you are in the open ocean without tools or devices. This remarkable skill is exemplified by the ancient techniques once used by expert navigators of the Marshall Islands, a chain of low-lying coral islands and atolls situated between Hawaii and the Philippines.

Together with a cognitive neuroscientist, philosopher, Marshallese anthropologist and two Indigenous sailors, I was part of a sailing expedition that aimed to explore how Marshallese sailors use their environment to find their way at sea. Aboard Stravaig, a 42ft (12m)…

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