This article was taken from the February issue of Wired UK magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content ...

Just 3 oz of tuna contains 167% of a person’s daily selenium needs. This recipe pairs a spiced, flavorful tuna steak with a nutritious salsa to offer a balanced meal. A serving of 3 oz of light ...