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	Podcast:		TED Talks Daily (SD video)
	Episode:		Where are all the aliens? \| Stephen Webb
	Category:		Education
	Duration:		00:13:18
	Publish Date:		2018-07-19 09:56:12
	Description:		The universe is incredibly old, astoundingly vast and populated by trillions of planets -- so where are all the aliens? Astronomer Stephen Webb has an explanation: we're alone in the universe. In a mind-expanding talk, he spells out the remarkable barriers a planet would need to clear in order to host an extraterrestrial civilization -- and makes a case for the beauty of our potential cosmic loneliness. "The silence of the universe is shouting, 'We're the creatures who got lucky,'" Webb says.
	Total Play:		1