Sarah Marquis endured dengue fever, sandstorms, Mongolian horsemen
(Newser) -
When Sarah Marquis tells people what she's done, they usually tell her she's crazy. But neither those words nor the harsh weather, hunger, thirst, exhaustion, or even intimidating Mongol horsemen can keep the 42-year-old Swiss explorer's wanderlust in check: For three of the past four years, Marquis...