This week, 26-year-old British adventurer Sarah Outen completed the first in a five-stage attempt to row, bike and kayak around the globe.
“My journey is all about human power,†she writes on her website. “It is simple in theory, but in practice it will be monumentally challenging. The distance, the logistics, the unknowns, extreme climates –- it will be huge in all respects. But  … MoreÂ