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But before many people around the world can use it
This will produce a twisting in the thread which will cause it to knot. This will take some practice if you are not used to sewing. Once you have knotted the loose ends, thread the needle with the looped end of your doubled thread. But before many people around the world can use it, scientists have to overcome a big obstacle. Food and Drug Administration approved a drug to cure a type of malaria that’s been hard to stop. Called Plasmodium vivax, the parasite can hide out in a person’s