Advanced lung cancer patient gets a "miracle" after targeted radiation -- and medical mystery persists

Indian Cobra Hatchling

An Indian cobra hatchling emerges from an egg on the outskirts of Bhubaneswar on June 28, 2013. The Indian cobra is a venomous snake indigenous to South Asia, found across India, Pakistan, Bangladesh and Sri Lanka. AFP PHOTO/ASIT KUMAR
ASIT KUMAR / AFP/Getty Images
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