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PBS News Hour
Search for life in the universe gets a $100 million boost
Are we alone in the universe? A new project called the Breakthrough Initiative may help scientists like Stephen Hawking get closer to the answer. Tech investor Yuri Milner pledged $100 million to help survey one million of the closest stars to Earth for signals from other forms of intelligent life. Gwen Ifill discusses the project with Andrew Siemion, director of the Berkeley SETI Research Center.
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