At left, a radish plant exposed to no copper nanoparticles, and then a range of concentrations, culminating in 1,000 parts per million at right. Photo: NYT

Scientists are discovering that nanoparticles are able to enter plant cells and cause damage. That finding has troubling implications for agriculture and other forms of life, the New York Times reports today about a new study.

They may not create killer tomatoes, but they may well kill tomatoes or other agricultural crops. Those findings raise other questions about their impact on humans and other forms of life. Read more: Plant Damage