Today’s solution sounds a warning bell about the much-anticipated new era of nanoagriculture — using nanotechnology to boost the productivity of plants for food, fuel, and other uses.

Global Challenges/Chemistry Solutions

Providing Safe Foods: Safety of nanoparticles in food crops is still unclear

Taking inspiration from trees, scientists have developed a battery made from a sliver of wood coated with tin that shows promise for becoming a tiny, long-lasting, efficient and environmentally friendly energy source. Their report on the device — 1,000 times thinner than a sheet of paper — appears in the journal Nano Letters.

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Global Challenges/Chemistry Solutions