Three share Nobel Medicine Prize for Tropical Disease drugs

The Nobel prize in medicine went Monday to three scientists hailed as "heroes in the truest sense of the word" for saving millions of lives with the creation of the world's leading malaria-fighting drug and another that has nearly wiped out two devastating tropical diseases.

Tu Youyou - the first-ever Chinese medicine laureate - turned to ancient texts to produce artemesinin, a drug that is now the top treatment for malaria. Inspired by traditional Chinese medicine, Tu discovered that a compound from the wormwood plant was highly effective . . .