Scorpion venom with nanoparticles slows spread of brain cancer. That's the irresistible headline topping a University of Washington press release out yesterday.

It turns out that researchers have known for a while now that scorpion venom--or, more precisely, a peptide called chlorotoxin which is contained in the venom--could be a cancer-fighter. It's in human trails right now.

But adding nanoparticles to the mix makes the venom peptide twice as potent, cutting the spread of malignant cells by 98%--at least, that's how it worked on lab-grown brain cancer cells. Nanoparticles aren't totally new to the cancer-fighting arsenal (they've also been combined with chemotherapy drugs), but this application is unique because it stops the spread of cancer rather than killing cells directly.

Next, the experimental treatment will be tested out on mice.
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