Scientists inject nanoparticles that enable them to turn specific genes on and off. There's a way to do it without the injection, but: "this would still require growing tumors inside humans to actually get these cell cultures in place, which means the treatment isn't yet ethically permissible in humans." Might have to wait a while for this ( Read more... )

Ever had a question that required a visual aid? I just spent a few minutes engrossed with the entries on this site.

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