In 1997, Stanley B. Prusiner received a Nobel Prize, the world's most prestigious award for achievement in physiology or medicine. That he was the sole recipient of the award for the year was entirely appropriate, for his struggle to identify the age...

The past year has been one of viral panic – panic about viruses, that is. Through headlines, public health warnings, and at least one homemade hazmat suit, we were reminded of the powerful force of viruses. They are the smallest living things known t...