Navigation aboard the guided-missile destroyer USS Stout is done by computer, as is the case on many other ships. The U.S. Navy now wants more of its officers proficient in celestial navigation. Amanda Gray/U.S. Navy hide caption

toggle caption Amanda Gray/U.S. Navy

U.S. Navy Brings Back Navigation By The Stars For Officers

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A couple from Namibia's Twe tribe outside their home. Tribe members took part in a study that examined the relationship between navigation skills and mating success. Layne Vashro/University of Utah hide caption

toggle caption Layne Vashro/University of Utah