Where are the Aliens? - Origins - PBS Nova

Where are the Aliens? - Origins - PBS Nova

In this possibly most insteresting episode of the series, Neil deGrasse Tyson meets Frank Drake to understand his famous equitation that quantifies the numbers of other advanced civilizations in our galaxy. Also we'll see why alien models in movies don't work biologically.

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[Fenixx117]

I just really appreciate that AtheistsAreSkeptics uploads so many interesting and complete documentaries to watch. Too much to keep up to in fact!

[AtheistsAreSkeptics]

@Fenixx117

Thanks.. too much appreciation and my ears are clapping :D

[dbrunet2000]

The only country where acceptance of evolution was lower than in the United States was Turkey

[nathaliegirl]

I love Neil! :)

[jamescariaga]

How do we say that the Dinosaurs extinct when they could have evolve to other reptiles over millions of years of climate change. The earlier dinosaurs were a lot bigger and more different than the recent ones. From bigger ones to smaller one alone tells us that they evolve into smaller ones because of climate changes. Birds are proven that they evolve from dinosaurs to say that they are extinct is stupidity, they are here evolve into other creatures. The neanthadal were said to be extinct but

[Ullbritt]

@PeacefulSage7 you should feel stupid after that comment. humans and apes are extremely similar in practically every way.

[PeacefulSage7]

Point is all humans truly didnt originate from earth...Even if you were born here that doesnt mean that your from here originally on the cosmic scale. Same thing with Asians or Africans being born in Europe and still being Europeans even though Europeans are predominantly white. A Caucasian or Spanish person being born in Africa and being called Africans.Just because your born on Earth and being called Earthlings doesnt mean your Earthlings originally..get it??That is the understanding all need.

[PeacefulSage7]

Nobody has the right to say that man evolved from ape like form on its own. E.T genes are the missing link from ape 2 man. Even scientists 2day havent proved that man evolved from apes on its own. SO obvious..just close your eyes and think of an ape doin its thing in the wild and hold its image in your head while standing in front of a mirror. Then say in your head "we evolved from apes!" Then open your eyes and see yourself in the mirror and say it again. See how stupid you feel after that! lol

[sumittechkgp]

@Mycterizian huh ? okay - next time u get suck do not take medicine. Stop immediately using everything science gave you.

[3636jae]

Hey, did you know that AtheistsAreSkeptics..... ?

[Mycterizian]

There are more than 10,000 civilizations in our Milky Way. I almost laugh because we are going to find that life is common throughout the universe. Scientists today are so idiotic just as the ones in the past were when the world was flat. Just 100 years ago scientists believed things spontaneously generated. I chuckle when science says nothing can travel faster than light, and that has been proven wrong. That claim is about as hard fact as when they believed the world was flat.