Scientists are reporting development and successful initial tests of an inexpensive new filtering technology that kills up to 98 percent of disease-causing bacteria in water in just seconds without clogging.

Supplying Safe Drinking Water: Electrified nano filter promises to cut costs for clean drinking water

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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Supplying Safe Drinking Water: Electrified nano filter promises to cut costs for clean drinking water

Supplying Safe Drinking Water: Electrified nano filter promises to cut costs for clean drinking water