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Shaun Lim, 18 from Singapore, has discovered that sunflowers can actually kill. But perhaps that lethal power can be put to use. Shaun's study has found that increased UV levels stimulate the production of these chemicals that can harm some plants (i.e morning glory) while actually increasing the growth of other organisms nearby. Thus, there is the possibility that these chemicals could prove more useful than natural herbicides in certain situations. Shaun hopes that his research could be put to use to help solve the world food supply as well as used in pharmaceuticals.