Chinese herbal expert and Nobel Prize Laureate Tu Youyou (R) arrives for 2015 Nobel Prize awards ceremony in Stockholm, capital of Sweden, Dec. 4, 2015. Tu was awarded a share of the 2015 Nobel Prize in Physiology or Medicine for her contribution in the discovery of Artemisinin, a drug that has significantly reduced the mortality rates for malaria patients. (Xinhua/Ye Pingfan)
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