Silver Book Fact
According to the Pharmaceutical Research and Manufacturers of America, a radiopharmaceutical currently in development is a synthetic version of a substance derived from scorpions–chlorotoxin. This could be a powerful weapon in the fight against high-grade gliomas, a highly invasive cancer that sends cancerous cells throughout the brain and spinal cord. Chlorotoxin binds specifically to tumor cells–but not normal cells.
Selected Medicines in Development for Cancer. http://www.innovation.org/index.cfm/FutureOfInnovation/NewMedicinesinDevelopment/Selected%20Medicines%20in%20Development%20for%20Cancer