Today’s finding warns that children may be receiving the highest exposure to nanoparticles of titanium dioxide in candy, which they eat in amounts much larger than adults.

Providing Safe Food: Children may have highest exposure to titanium dioxide nanoparticles

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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Providing Safe Food: Children may have highest exposure to titanium dioxide nanoparticles

Providing Safe Food: Children may have highest exposure to titanium dioxide nanoparticles