High Tech for the Low-Tech World

By Alice Park

Battling disease is easy if you're on a power grid with access to effective treatments. But what if clean water and electricity are unavailable luxuries? These products are designed for use in just those low-resource settings.

PLUMPY'NUT The peanut-based nutritional paste, inspired by Nutella, comes ready to eat and doesn't require clean water for mixing

ONE SHOT One-dose, single-use packaging of this hepatitis B vaccine means no measuring and no dangerous needle reuse

SAFETY NET The latest textile techniques embed insecticide in long-lasting nets, which repel malaria-causing mosquitoes even after 20 washings

COLOR CODING Liquid crystals that change color depending on the temperature alert workers if these polio vaccines have been exposed to heat and are no longer potent