Carl Sagan on the chemistry of life on Earth/ other planets

[SC2Spectre]

Poor extremists and creationists... I feel sorry for them that they will not know what we know ;)

[atheos93]

I swear, if a full grown man rose out of that mixture...

[LukasVideosify]

I'm... a collection of molecules, called Carl Sagan. xD

[kansaimagic]

This guy unbelievable how he is and how religious people's beliefs demand him to be in hell... I would be happy to join him once my time is done. Christian hell or Muslim hell it wouldn't matter.

Cosmos /Demon Haunted World /Billions and Billions equals????? MUST READ

stunpals(dotcom )

[BobbyJim19]

Little-known fact: Carl Sagan lost his left leg just above the knee during the filming of this scene, and had it replaced with automail. This is why he never wears shorts.

[Namikazesora]

@BobbyJim19 I see what you did there :)

[shackupyourstruly]

In the past several months, I've heard about arsenic/phosphorus {Mono Lake, CA}, and strontium/calcium {strontium-90 leakage from Japan} exchanges. I first heard about strontium when I was a boy and I used toothpaste made with it.

[shackupyourstruly]

Huwwo. Are you my daddy?

[Kibate]

I love how the music wants to make us all exciting to see a human or monster jump out of that pot and then carl goes on "Of course nothing happens" just to laugh at our faces haha.

[MrRubyWeapon]

Anyone else reminded of FMA?

[darksorceressharuko]

@MrRubyWeapon Humankind cannot gain anything without first giving something in return. To obtain, something of equal value must be lost. That is alchemy's first law of equivalent exchange. In those days, we really believed that to be the world's one, and only, truth.

[crazyzach1]

Your mom goes to college

[xyleborus2]

Dang. I was really hoping when he mixed all the ingredients together that a human would jump out. Just imagine Sagan's reaction if that had happened....

[cannywf1]

From 2:13 - 2:28 Epic.

[MrSweatyZombie]

ahhh all through listening to this video he really reminded me of someone, its just hit me, he sounds a bit like agent smith from the matrix lol, the way he inhales mid sentence lol

[jdoggdabeast]

He could have performed human transmutation!

[jdoggdabeast]

He could have performed human transmutation

[WeAreStarStuff51]

I wonder what Sagan would have said about the new discovery of arsenic based life in mono lake

[XieYali]

@WeAreStarStuff51

The bacterium found is not arsenic based, rather under certain circumstances can substitute arsenic rather than phosphorus. Google Pharyngula and 'Its not an arsenic based life form' for further details.

[WeAreStarStuff51]

@XieYali Thanks for the clarification. I was quoting an article title from New Scientist where they referred to it as "arsenic-based life". And as a fan of PZ Myers I appreciate the Pharnygula post recommendation.

[XieYali]

@WeAreStarStuff51

Boy they really should have someone 'science check' their facts before publication. :D Pharangula is good, hi PZ!! (if you're lurking about here. I think he has a sixth sense for when people are mentioning him. ;D )

[volound]

@WeAreStarStuff51 probably the same stuff as thunderf00t would have said.

media induced sensationalism, for the most part.

[karl198]

I wish Carl Sagan were still alive today to find out about the discovery of a bacteria made from arsenic in mono lake :D

[Koltesla]

imagine a world were every single human being is the exact same, working towards scientific progress and nothing else. Imagine what our civilization would accomplish if there was no superstitions, greed, religion, morality, art, comfort, individuality, choice, meaning or stupidity. We can only dream of that wonderful world of cold and emotionless logic, but until that time we can be smug on the internet and hate/feel utterly superior to billions of people.

[Pumpkinhead77]

Carbon ftw.

[iVideoCommenter]

I find it elevating and exhilarating to discover that I’m related to Carl Sagan, Albert Einstein and every other life in this beautiful universe.

[rmcdaniel423]

Man, I wish I would have had Carl Sagan as the teacher for my chemistry and physics classes. I would have paid so much more attention!

[chuckhous]

I love Sagan

[nahedh]

Anyone else think of Fullmetal Alchemist?

[monkeygirl82000]

@nahedh Yes. So much. >:3

[duhhh187]

dude i wonder if carl sagan and john lennon ever kicked it?

[UTAU53Yui]

Screw Mars,go to Europa,they have whales!

[dudefromhenderson]

I dream of a world that, gives NASA 30 Precent of its budget, rather than .70 Precent.

I dream of a world that wants to put a telescope on the dark side of the moon.

I dream of a world where people don't give all of their money to a church, but to the national science foundation

I dream of a world where people spend their nights looking at the stars, instead of looking at their Televisions and Computers.

That world is but a dream

[GronTheMighty]

@dudefromhenderson Whats wrong with looking at the stars on my computer when i can't afford a 20 milion dollar telescope? :s

[Kavino]

@dudefromhenderson

Looking at television and computer all the time must not be all that healthy.

People in East Asia don't give their money to church/mosque/temples.

[jebsievers]

So comforting to listen to such a nice and curious person. Carl Sagan always puts me at ease and alleviates the anxiety that the superstitious world around me wants me to have.

[marasu66]

I'm a collection of organic molecules called Carl Sagan. {sometimes I wish...}

[newmac]

The bush administration is history. Its cool to Think; again.

[CadaverJunky8]

3:40

NOOOO, YOU FOOL!

Did you learn nothing from Ed and Al?! D8

[staddik]

rip carl

[GreenTreeFrog]

Maybe Arakawa watched Carl Sagan. Wikipedia says it was subbed in Japanese (I just checked).

[mirageiris]

Carl was such a great teacher.

I can't imagine how some people can live not wanting to know anything besides what their holy book tells them.

[ultraudv]

@mirageiris exactly , how can u live without wanting to know :|

[jce537]

@ultraudv "The unexamined life is not worth living, man"

[morgandude2]

@mirageiris

Superbly put, Sir!

It's easy to be blind to complicated things.

[xantares13]

What you pursue will be yours but you will lose something dear

[jozhop]

oh man, 3:41 starts to get EPIC

[Phazonaddict]

As complex as we are, we're pretty damn flawed as a whole.

[KitsuneDragonRA]

Water 35l.Carbon 20Kg.Ammonia 4l.Lime 1.5Kg.Phosphorus 800g.Salt 250g.Saltpeter 100g.Sulfur 80g.Fluorine 7.5g.Iron 5g.Silicon 3g.And traces of 15 others.

That's the total chemical makeup of the average adult body. Modern science knows all of this, but there's never been a single example of successful human creation. It's like there's something missing...

The elements found in a human being... it's all junk that you can buy in any market on a child's allowance. Humans are pretty cheaply made..

[FaganThePagan]

What's missing is the context of everything between conception to birth. Have you never considered just how much we do understand about how the list of chemicals you wrote comes from a sperm and an egg sitting in a Uterus?

[KitsuneDragonRA]

That was a quote from FullMetal Alchemist ;P

[Enleuk]

It's difficult to build in a laboratory compared to how easy it is to have sex. A single DNA-molecule consists of half your two parents, so not exactly 1 molecule, which is why it's called a double-helix and "the largest human chromosome, chromosome number 1, is approximately 220 million base pairs long" and this is the code for creating the cells which we consist of, and the total material cost for cells is easy to calculate, but programming it's construction is difficult.

[Enleuk]

Also, the reason why it's easier to have sex is because then you can skip the programming part, the sperm and egg are pre-programmed so you don't need a degree in genetics to build a child. It's sufficient that one of the two humans involved is able to move its pelvis back and forth at a decent pace.

[smeagol92055]

Really? You're going to throw FMA references on a video of Carl fucking Sagan? You philistine!

[Vassalius]

@smeagol92055 Oh come on. That line perfectly complements this clip. It's the quote that matters, not where it comes from.

[smeagol92055]

@Vassalius I guess I may have overreacted a bit.

My bust.

[Exarian]

FMA, FTW! most awesome line in an anime ever.

[Dragonvalor53]

Sounds like you watch Full Metal.

[KylieDeeTastic]

Haha, FMA quote ftw @kitsunedragonRA

[gethsoftware]

@KitsuneDragonRA Full metal alcemist. i see you what you did there. love that anime. Ed shuld have had listend to carl sagan.

[admiralcrash1]

The smartest people ever known to exist are "dopers". lol I'd rather be a doper than voodoo believer.

[mohfoz77]

EXCELLENT.

CARL SAGAN was the wise man of the 20th century. He is an inspiration for us.

we miss him dearly.

[andreiduffy]

imagine a world were every single human being is as interested about the universe and thirsty for discovering the wonders of the cosmos as Carl Sagan. Imagine what our civilization would accomplish if there was no superstitions, greed religion or stupidity. We can only dream about that world

[fixitluis]

@andreiduffy a world without jerry springer trailer trash and people dependant on welfare and disability check WOW now thats a dream

[DragMeToHellLuc]

@andreiduffy admit it, Carl. God created it. You are s stupid, just admit God created you and all the chemistry you speak about

[Pilaf1984]

@DragMeToHellLuc What created your god, and what is he made of?

[mjcabooseblu]

@DragMeToHellLuc Self proving comment, ACTIVATE!

[NelielTuOderswank]

@andreiduffy Imagine a world where our greatest minds weren't burned at the stake for over 1,500 years.

[jpp3g]

@andreiduffy

No good. You must have the grunts or the shit jobs won't get done.

[fermerwuvu]

@andreiduffy yea :(

[alex666493]

@andreiduffy no, that world is not a dream but an anavoidable point as civilizations continue to exist....well at least if we don't destroy ourselves first

[rycka1983]

@andreiduffy For concept of WISE the has to be a concept of STUPID, so I guess universe is doomed to have both.

[extremedavo1979]

What a brilliant man. A true citizen of the cosmos.

[yahoovisitor]

The earth is constantly being explored a lot regarding land, water & human needs & new discoveries are always there whenever man starts his search on new topics. What needs to be studied is the Creator of Universes Manual Quran

And One Cant Capture Knowledge About Anything but Whatever He (Creator) enlightens. The Holy Book gives a lot of light upon the laws of the creator, their violations and frequent change in the laws. It is so far the best book on natural laws in each branch of science.

[SternMann93]

Lol.

[seaquat]

amazing ;) we're the mixture of different atoms :)

[WorldWarTwoSELLER]

carl sagan was a nice looking man

[Saphothere]

Carl Sagan was a nice everything man

[pasrachilli]

Agreed.

[makedonas86]

4:10 : Did someone REALLY expect that a human would be created ??? hahahaha

[timmycakess]

i wanted a dude to pop and and be like "sup beezees!" jk :P Carl Sagan is such a positive guy. he would totally make a person outta that if he wanted to! xD

[Kaarel314]

You say now start revolving. Atoms dont revolve they are still(in solid material). So how does it work?

[mtanti87]

Atoms are constantly in motion... At temperatures above 0 kelvin they vibrate, but even then the electrons are constantly circling the nucleus.

[ydnab]

Not to mention that they are affected by gravity, thus having potential energy. And if given the chance of free-fall, they then get to change it into kinetic energy.

0 kelvin = no energy :)

[makedonas86]

You can convert your question into: "Why does the moon not fall onto the earth?"

To answer this question, take a rope and attach it to an object (a stone for example). Now start revolving and hold the rope. The stone will be circling around you but never reach you. The stone is attracted to you because you pull the rope, but its velocity is rectangular to the rope(or the force you are causing), so it will remain on its orbit.

[goldensleeves]

QUTESTION: If electrons are attracted to the nucleus, why don't they smash into it rather than orbiting around????

Please HELP!!!

Thanks in advance!

[djoasis]

clearly he hadn't heard about Titan yet, which has the same weather patterns as Earth, only instead of water it's methane. So why wouldn't there be methane based lifeforms on Titan? (still carbon and Hydrogen based)

[KyoraMishiso]

Behold! The Sagan Primordial Soup!

[anthony68drake]

It grieves me that as our country becomes the harbor for simple 3rd world refugees, motivated by life's most basic needs, desires and passions, programs such as this shall become more and more a distant memory of an America which once looked at the stars and wondered...

[CaptainScarlet07]

God bless Carl Sagan, I first watched his Cosmos series 10 years ago and I haven`t stopped looking up at the stars since

[Danexfa]

I will watch every video on youtube with this man in it.

[Danilocaparros]

carl sagan we miss you

[sadunkal]

He can't hear you, accept it. We should become Carl Sagans ourselves, or even more if we can... That's what he would have suggested I assume.

[OverusedChewToy]

"

So if we do discover life we might be more alike than we would believe." I don't know about that- just look at the diversity on the earth alone between carbon-based organisms. It's freaking enormous.

[hondadrvr3]

Such a brilliant man! Shame he's not still here.

[gydorack]

He's right Carbon is ridiculus. I mean even in its elemental form it is capable of forming long reproducing chains of itself.

I'm inclined to say that life is carbon. There really has been nothing else that can replicate itself like organic molecules.

So if we do discover life we might be more alike than we would believe.

[mallamoozoo]

Even if life is limited to carbon, might not the DNA take a radically different form (say more than 4 bases)?

[gydorack]

Oh for sure. The only reason why every life form on earth has 4 base pairs was because the four base paired chains outproduced the other forms of organic molecules. If things turned out differently we could all have RNA or eight base pairs.

[mallamoozoo]

Sounds like you know a bit!

What was "non-organic" life form he was referring too here? (And I don't mean machines or computers.)

[gydorack]

Non-organic is anything not containing carbon. There are non-organic materials that act much like life such as silicon and crystals, but so far we haven't found any self replicating molecules besides organic molecules.

[mallamoozoo]

He said something "more exotic than organic molecules" Silcon may not be defined as organic (but that's just arbitrary) but it's still chemical-based - not really exotic. I thought he may be referring to some other possible speculated mode of life?

[TaYLOR182MEST]

Lol, great

[blobrana]

cool