Mix silver particles in household paint and you can disinfect the place.
A couple of start-ups say medicinal foods can help world health and be a lifestyle accessory.
Australian company Ioteq says the iodine in its Isan system will kill bacteria better than chlorine or ozone will--and it won't cost more.
You can live without electricity, but not water or food. A crop of new companies are trying to take the chemistry out of agriculture and eliminate crop pests and microbes the natural way.
blog Company that uses ozone to purify water and keep food fresh gets more funding.
blog Marrone Organic Innovations is tinkering with a way to use components of an herbal medicine as an organic weed killer.