Three people were awarded the Nobel prize in Medicine for their work on drugs that fight parasitic diseases. One of the noted drugs has dramatically reduced the impact of a disease known as river blindness (that has blinded tens of millions of people), and another drug has powered a sharp decline in malaria-related deaths.

+ Newshour: 2,000-year-old Chinese herbal therapy plays major role in Nobel Prize for Medicine.

+ Scientific American: 12 surprising facts about Nobel Prizes.