The caste system remains in India, even though "untouchability" is banned by the Indian constitution. The estimated 160 million dalits, or untouchables in India still face discrimination.
Only about 300 to 400 people a year give a kidney to someone they never met. It's an act of generosity so unusual, a neuroscientist studies the people who do this.
Singh was known as the father of economic reforms in India. He served as finance minister in the early 1990s, and his policies then set India on the path of economic liberalization and globalization.
Azerbaijan observed a day of mourning for the victims of the plane crash that killed 38 people and left all 29 survivors injured as speculation mounted about a possible cause of the disaster.