Blind French hikers cross mountains with special GPS

Five hikers, all blind or partially-sighted, crossed a mountain range in eastern France last week thanks to an innovative GPS system that developers hope can help millions of people with vision problems.

Backpack physics: Smaller hikers carry heavier loads

Hikers are generally advised that the weight of the packs they carry should correspond to their own size, with smaller individuals carrying lighter loads. Although petite backpackers might appreciate the excuse to hand off ...

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