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SciTech Now
Are we alone in the universe?
It’s one of the biggest and most complex questions out there: are we alone in the universe? The field of astrobiology studies the origin, viability and future of life on other planets, and asks, is planet earth really as unique as we think? Caleb Scharf, Director of Astrobiology at Columbia University joins Hari Sreenivasan to discuss these questions.
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