"As you become better at learning skills, the cognitive tax becomes exponentially less," says Ferris, who can converse in six tongues when he's not too busy working out. "I choose languages that have enough similarity to help but not enough to interfere." For example: Chinese and Japanese are fundamentally similar but have wholly different grammatical structures. Knowing one helps you learn the other, but they don't get muddled.
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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