1. Scientists from the California Institute of Technology placed RNA molecules in a specialized polymer robot with a chemical sensor. When the environment of a cancerous cell triggered the chemical sensor, the robot releases the RNA. The experiment helped to fight cancer, and to reduce tumors in patients.
2. They experimented it on three people with melanomas, who recieved the RNA-load nanoparticles intravenously four times, for about thirty minutes, for three weeks. After that time, these patients had samples taken and the results showed that the melanomas had presence of RNA, and a reduction in tumor gene expression.
3. The outcome is that scientists are coming up with a cure to tumors, and that there are ways to reduce them. What this tells us about humans, is that after a very long time after hearing about unethical science experiments, and the awful outcomes they have, we can see that not all human science experiments are bad, and some of them have a very good purpose.
http://www.popsci.com/science/article/2010-03/nanotech-robots-deploy-cancer-fighting-rna
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