Michael Ian Black
The Science of Alien Sightings | StarTalk

Neil deGrasse Tyson and SETI Astronomer, Seth Shotsak, talk about alien sightings and how aliens are portrayed in the media. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all clips of StarTalk here: http://bit.ly/WatchStarTalk ➡ Get More StarTalk: http://bit.ly/NGStartalk About StarTalk: ...

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