It's also interesting that heme, which makes blood red, and chlorophyll, which makes plants green, are the same molecule, except for one metal atom held in their complex organic structure. In animals it's iron and in plants its magnesium. Except some mollusks and arthropods have copper instead, so their blood is bluegreen.

@franqusco

3 ай бұрын

Wooo this, so cool

I've never heard of this before. I hope Eons continues to cover topics that aren't well known.

@agustasister5624

6 жыл бұрын

Cypher u think this is interesting...look up.dr hamburger.salin and the 1980s Dr Ringer "saline" solution...MIND BLOWING.

@jimst3r1

5 жыл бұрын

googled both couldn't find anything

@drakekay6577

5 жыл бұрын

Take a look at the "Thunderbolts Project", look for videos on the electric universe. In that theory you will find a different origin for the solar system, a different set of events, and a topic of being in orbit around Saturn before our current Sun enters and captures our solar system.

@dziban303

5 жыл бұрын

Don't listen to these "electric universe" morons. They're on the same idiocy level as flat earth nincompoops.

@zacimusprime4865

5 жыл бұрын

Same

Maybe it's just because life evolution doesn't do what's best, just what works. It's not really survival of the "fittest", it's survival of the "good enoughers".

@gitlashooster2179

4 жыл бұрын

Thank God. I would have been eaten by now.

@odanemcdonald9874

4 жыл бұрын

That's actually literally what fittest means in biologist. Fittest normally means bestest vut in biology it means those that get the most from the least effort.

@user-wq5jq1mg5z

4 жыл бұрын

Those that live to pass on their genes, win. Who ever manages to do that is the fittest in this scenario. Even if there are a lot of "fittest" organisms

@Mgauge

4 жыл бұрын

Matthew Theobald In evolution, participation trophies are all you really need.

@velkylev4217

4 жыл бұрын

Evolution creates things that fit that environment best and at the same time mutations happen that change the things that then change the environment and again and again . It's a circle

Thanos: *"I used to rule the world"* Shrek: *"I'm the captain now"*

@mechamicro

3 жыл бұрын

Lmao

@GabrielDipo

3 жыл бұрын

Hmmmmmm

@p3pable

3 жыл бұрын

huh?

@p3pable

3 жыл бұрын

oh i get it

@HazeAbysmal

3 жыл бұрын

Bruh lmao

Purple is my favourite colour! I HAVE BEEN BORN BILLIONS OF YEARS TOO LATE!

@alvarofalkov5467

6 жыл бұрын

Funny that u choose bacteria life over human.

@mksabourinable

6 жыл бұрын

Not necessarily!! There are lots of purple plants that exist today!! Like I have a houseplant that is a purple shamrock, and it's far from the only one you can get!! (However it is a REALLY cool one because its leaves move based on light and touch stimuli. Like the leaves are open in the day, closed at night, and if something touches the hairs where the leaves are attached (while its open)? The leaves close! It's not fast movement... but still really cool!!)

@joemuis23

5 жыл бұрын

gotta thank your brain though because purple exists as blue an red at the same time without green. not as an individual wavelength violet does though

@t00bgazer

5 жыл бұрын

Go buy some purple weed

@MKRex

5 жыл бұрын

Same

Whale evolution, please!!! Cetacean evolution absolutely blows my mind.

@DKDilly69

6 жыл бұрын

Janis Cortese yeeeeeeeees please

@grizzlymanverneteil4443

6 жыл бұрын

Gawd dunnit

@benjaminlamothe2093

6 жыл бұрын

Janis Cortese from sea to land and back to sea yes

@vampyricon7026

6 жыл бұрын

+

@1PITIFULDUDE

6 жыл бұрын

Hippopotamuses

An advantage to absorbing blue light in the oceans is that it travels further down the water column as well. This would give chlorophyll users more space to live in compared to archaea bacteria.

I really like this presenter. Very nice voice and pronunciation. Good presentation.

@Sa-fd7ih

4 жыл бұрын

RogerWilco Agreed. She’s my favourite host on this channel.

@christiandeininger1790

4 жыл бұрын

She is beautiful and speaks like an angel the best host

@mikevisby8744

4 жыл бұрын

@@michelleeden2272 I think we have different definitions of stupid.

@TaterKakez

3 жыл бұрын

Michelle Eden ....are you 12? What purpose does that serve? These are real people presenting this information. Needless.

@mickyfahrie

3 жыл бұрын

my fav

Hello Eons team! I would like to see the history behind the first parasites! That would be awesome! Great channel you guys have there!

@houseglue2183

6 жыл бұрын

Pedrok92

@reecejohs3334

4 жыл бұрын

Pedrok92-

@giovannaroque9468

4 жыл бұрын

---

@macewindu9100

2 жыл бұрын

just look at human's history.

@rileyg.5888

2 жыл бұрын

This comment is so wholesome thank you Pedro.

I'd love a series called "a day in the life" where you show one day in a different extinct species life! The predators they face, their way of getting food, their lone wolf or pack life etc the environment at the time

@TheBanMan

2 жыл бұрын

I recommend seeking out the Walking With... series, because they're pretty much what you're describing. :)

Earth: Eric Andre: what if it was purple?!!

@Silverwind87

2 жыл бұрын

I like how this implies Eric Andre has existed for eons.

This has quickly become one of my favourite channels! The visuals, the music and the way things are narrated make things much more interesting! Keep up the great work!

Wow, this is a really interesting hypothesis! I've wondered why plants don't use green light, and have not come across this in seeking an answer. We might not ever know, but this is interesting to think about!

@suelane3628

6 жыл бұрын

I always understood that plants, algae (chloroplasts) and cyanobacteria absorb two wavelengths of light to break down the abundant water molecules. Green is not one of them.

@Bird_Dog00

6 жыл бұрын

There is one problem with the purple earth hypothesis: According to wikipedia, halobacteria can use retinal to photosynthezise anaeorbically, but they require arginine to do so, and the hypothesis does not explain how this complex molecule would have ben available back then, as the main source of arginine apears to be ureotelic animals like amphibians an mammals.

@dziban303

5 жыл бұрын

@@Bird_Dog00 Purple Earth hypothesis has been thoroughly discredited. Why it got an episode is beyond understanding

@Bird_Dog00

5 жыл бұрын

Dziban Yea, even back when this episode aired the hypothesis was standing on rather shakey legs. I kinda see why they put it up, but they should have made a better job highlighting the flaws of the hypothesis.

Nice shirt choice for the video!

@matheussanthiago9685

5 жыл бұрын

swear i only noticed after reading your comment

@TaterKakez

3 жыл бұрын

Lol I had the same thought :D

I know I shouldn't make this personal, but I have to say that this presenter is awesome! She is able to impart loads of heavy information while making it seem almost conversational. I never feel talked down to in this PBS Eons series. Great job!

Suggestions 1) Can u do a video of the land bridge theory and what challenges early humans faced 2) Can u do a vid on cloning extinct creatures of our past (mammoth, Tasmanian tiger, dinosaurs etc) 3) Can u do a vid on all the great mass extinctions and the 6th one we are creating 4) Can u do a vid on fur and what creatures had them and where they might have came from (feathers? Scales? Leaves?) 5) can u do a vid on late theropods and how they evolved into birds 6) can u do a vid on the "great race" to land when creatures began to crawl on land and what creatures were the first to do so

I'd like to know about the history of extremophile evolution.

@abhiramsrivastava4601

6 жыл бұрын

GuyWithAnAmazingHat I think it was just bacteria that lived in a place that really changed somehow so bacteria with mutations lived and passed on their genes while those that were t born to survive there died.

@vampyricon7026

6 жыл бұрын

+

@justthecoolestdudeyo9446

6 жыл бұрын

There's an argument that extremophiles were the first forms of life, living at the mouth of ocean vents (like potential life on Enceladus!), so extremophile evolution isn't just cool, it's potentially super important to the formation of *all* life! You probably knew this, I just like feeding into the excitement over science tbh

@Ezullof

6 жыл бұрын

The thing is that "extremophiles" work for a very diverse set of lifeforms. Some of them might have evolved in "extreme" environments since the "beginning" (like the halobacteria), but other are rather new to these environments (think about what we find in the black smokers). "extremophile" also takes the current conditions on earth as a reference. It loses a lot of meaning once you go far enough in the past, since then, they wouldn't be extremophiles, but the norm. Or maybe you're talking about how scientists started to study extremophiles. That would indeed be very interesting. I'm always curious to know what were the early methids and motivations to learn from a new topic.

@annoyed707

6 жыл бұрын

Where were these cells radicalized?

I learnt about this on my environment module for my degree and they were pretty adamant the theory is correct. Nothing can be proven but they apply logic to the evidence they do have and the scientific knowledge they acquire. There were fossils of the first ever plants which developed along the coastlines also. I can't remember what the video was called now but it was really interesting.

this would be a cool subject to revisit, as recent research suggests that green plants actually use the entire spectrum of light, but may have instead maintained a "geen" light window with chlorophyll to have better efficiency with light variability during the day.

This show always ALWAYS blows my mind.

Can eons do a Video about why early life split into plants and animals and why scientists think they split

@abhiramsrivastava4601

6 жыл бұрын

Austyn Guevara it split into 6 groups lol it’s more complicated than anyone thinks

@TheRedKnight101

6 жыл бұрын

The current yet still debated theory is that in the evolution of eukaryotes split into two major major groups which further developed into 7 smaller but large groups. This split happened long before animals and plants emerged with the major notable differences being the number of flagella.

@Mary42877

6 жыл бұрын

Yeah, i like to imagine some plant or mushroom developing movement and a brain, how cool would that be?

@Mary42877

6 жыл бұрын

that's what i'm talking about! is it absolutely impossible for plants or mushrooms to develop the ability to move and sense? somehow? i just think it would be cool.

@theincarnationofboredom207

6 жыл бұрын

probably the same reason mammals and insects are two different lifeforms, just more complicated. hey, guess what? plants are more evolved versions of animals, their cells have more to them then animals, 2 new structures to be exact.

I would be interested in a video about resurrection biology or de-extinction, bringing extinct animals back to life. How far back can we go, and would those animals even be able to live in our environment today?

@caitlinbauer8443

6 жыл бұрын

Psycho Wolf I think there is a video about that on the scishow channel

@_Muzolf

6 жыл бұрын

DNS has a half life of 500 years or so, that severly limits the ability to find usable genetic material for species that did not die out in the last few thousand years.

@beth8775

6 жыл бұрын

I think the most responsible use of such technology would be for recently extinct species or stopping the extinction from being complete. Like the Rhinocerous. Their problems are completely human caused. Maybe the extinct tiger species. Anything much further back may no longer have a ecological niche.

@stormisuedonym4599

4 жыл бұрын

@Elizabeth Frantes Because, you silly little misanthrope, some of those extinct species were what's called _keystone species._

@jabby6709

3 жыл бұрын

completely unrelated, but I _love_ your pfp! TDP is one of my favorite shows

"When the Earth *[might have been] purple"

@edo7ensei390

5 жыл бұрын

Welcome to science.

@iliakorvigo7341

5 жыл бұрын

Welcome to click bait.

@optimisticwhovian1726

5 жыл бұрын

Yet another clickbait video misleading us, sigh....

@reuireuiop0

5 жыл бұрын

Still, y'all have watched a presenter pretty in purple. She could 've worn a raspberry beret, though

@pokemonparty101

5 жыл бұрын

Optimistic Whovian It’s a hypothesis. Like the vast majority of science.

It's crazy that you can just look at a geology formation and look back billions of years into the Earth's history. Like a book that's constantly being written

@nightmarerex2035

Жыл бұрын

HISTORY HIS STORY MYSTERY is MY STORY!

So cool that you not only talk about the standard-stuff, but about things totally new!!! WOW! Especially in Germany we don't have a channel like yours, at all. I'm so happy that I've found you! Danke tausendmal!

I personally would like to learn more on mammal-like reptiles. If possible

@annoyed707

6 жыл бұрын

Synerrox, you're telling us all about a$$hole-like reptiles.

@darth856

3 жыл бұрын

The thing is though, they weren't really reptiles. So nowadays many prefer for instance the term stem mammal instead.

I just love the combination of animations, papers and discussions that PBS provides. Lots of questions that arose through my own time at university (non main courses), which where too detailed to dive into, are kinda answered. :D

More about the Siberian Traps? And the formation of the Colombia River Gorge?

So what's the deal with plants in the present that have purplish or reddish leaves? How does that work?

@confzld77

6 жыл бұрын

Thanks!

@petergray2712

6 жыл бұрын

confzld77 Those pigments are also light reflectors rather than absorbers. In warmer climates there can be too much ambient light and heat, and Anthocyanins prevent this excess light from burning up the Chlorophyll layers. These are also the pigments that give dead leaves their color.

This was great. I've known about the great oxygenation event for some time, but I never understood some of its implications. Looking forward to your next vid.👍

Someone needs to make a parody of "Hollaback Girl" about halobacteria called "Halobac Girl."

@LuigiG145

6 жыл бұрын

Few times I've been around that track So it's not just gonna happen like that 'Cause I ain't no holabacteria I ain't no holabacteria

@Atypical-Abbie

6 жыл бұрын

KingsleyIII Sounds like something Weird Al would do.

@westerndigs6025

6 жыл бұрын

I want to see that video.

@theywalkinguptoyouand4060

6 жыл бұрын

KingsleyIII no they don't

@dood_pp_and_p7015

6 жыл бұрын

Or.........or.........orrrr...........ooooooooorrrrrrrrr. HALO from the other SIIIIIIIIIIIIIIIDE.

Great video, I'd love to know more about the evolution of cephalopods! Keep up the good work +PBS Eons. :)

It would be cool if some sort of microbe could be found that uses both types of energy producing compounds. That could be very useful in the outer planets when teraforming.

Okay, but hear me out THANOS BACTERIA

@valentine_2724

5 жыл бұрын

Thanos planet

@spindash64

5 жыл бұрын

THANOS ARCHEA THANOS ARCHEA

@deadinsidemcgee411

5 жыл бұрын

Get out

@gitlashooster2179

4 жыл бұрын

Lol

@SrDerp-rj2ip

4 жыл бұрын

I knew this comment would exist. but more planet less bacteria or archea.

I love you pbs! Don’t ever leave me 😫😅 your my main fuel for my sleepless nights ( insomniac ) if your videos could fill up every day I’d never need a tv 😅 sadly I go trough your videos so quickly! Let’s hope many more are to come this year or

Im so happy to see an educational channel such as PBS, allow for visible tattoos to be shown! Well done!!!! Also great videos as always 😋

@vickiatabi4235

Жыл бұрын

It is important, isn't it? I was surprised at first, but it feels natural. I would like to know what some of them are-but without getting too nosy/personal☑️

best new series on youtube! keep making these!!!!!

Thank you for acknowledging bacteria and archaea as separate kingdoms!!

Great speaker! How do you speak so fast and seamlessly? I can't even detect any breaks in the video, where the video would turned off to give you time to re-group your thoughts. What is the secret? Do you use a teleprompter, or do you have more of a photographic memory? Very well done.

@TaterKakez

3 жыл бұрын

She’s a great presenter; she also writes a lot of the scripts. Kallie is great :) Edit: that doesn’t really say how she does it bc I don’t know - Kallie magic? :)

@redflamearrow7113

2 жыл бұрын

Excellently done presentations using a teleprompter.

Beautifully composed and explained.

I love how her outfits always match in some way to the topic she's presenting

Love dat purp, so dank

Searched for exactly this. Pleased that PBS Eons has a video bout it.

i revisit this video a lot. this channel has inspired me to start a fictional planet project several years ago that i dream to publish, but im no academic and this is taking a lot of research

He eons, thanks for the show. I would like to hear about Prions.

This is something really new to me, such an interesting video.

Fascinating! This is one of the best channels on KZread.

I've always been curious about the evolution of the ozone layer and it's relationship to life on land. Was it the case that plants and animals colonized the land when they had reach certain evolutionary stages, or did they colonize the land as soon conditions permitted, a certain amount of ultra violet filtering ozone being one of them?

Doing this video with that purple top... I see what you did there. Very clever!

I would like to know if the salinity of the oceans has been fairly constant throughout Earth's history except during times when the amount of ice was changing? Is there any way to verify this with geological samples? Did Halobacteria need a saltier environment? I'm always interested in theories, hypothesis and speculation about ancient Earth.

Speculative evolution please! I'm in love with that stuff!

that's fascinating :-) thanks for the upload

"Chlorophyll? More like Bore-ophyll!" JK I watched the whole video.

@Redvines69

4 жыл бұрын

I stopped and went to the comments just to see if I was the only one lol.

@chriscostello117

3 жыл бұрын

I knew there where more of you. Greetings brother.

You noticed the pinkish color in the illustrations? That would make the early Earth circa minus four billion years a Pretty Pink and Purple Proto-Planet. Say that three times.

@jamesdriscoll9405

4 жыл бұрын

Asteroid says: I'd hit that

0:22 I didn't know that! Makes a lot of sense but I really didn't know. Thanks Kallie!

The point about looking for non-green planets honestly blew my mind, but it absolutely makes sense

Please do a video on the evolution of cetaceans

@vodar332

6 жыл бұрын

Mr. Meeseeks they should do video on my penis evolution.

@DudeWhoSaysDeez

6 жыл бұрын

Mr. Meeseeks hi there mr meeseeks

@caitlinbauer8443

6 жыл бұрын

No this is Patrick oooouuiiii look at meee

@mpk6664

6 жыл бұрын

Mr. Meeseeks How did you get that name?

@caitlinbauer8443

6 жыл бұрын

mike pk666 oooooiieee, look at me, I'm not sure how I got my name I'm Mr Meeseeks!

*_THANOS EARTH_*

Chlorophyll actually fluoresces green light. This effect can be noticed under a clear sky, shortly after sunset. Green plants appear brighter than they should be when illuminated only by the blue sky. Ultraviolet frequencies must be useless for photosynthesis, so plants convert it to a lower frequency in order to exploit a wider spectrum of sunlight. Ultraviolet also penetrates deeper into the ocean, another reason for fluorescence to be useful for plants.

I was part of a speculative evolution project, Sagan 4, where the dominant flora was purple!

Were we looking for green planets this whole time? I thought we were looking for blue ones... Thanks for the interesting informative video!

Guys, you've made a couple videos mentioning about the colour green (thanks to no-oxygen iron rust). So where - or when, considering the time period - exactly did the purple fit?

@matthewmeuleman5979

7 ай бұрын

You can probably find out a lot more about it via investigation of purple dawn theory/ golden age of Saturn. There are cave paintings all around the world that support this. So it's so etine within human history. Also, one of the most common, widespread plants, grass, is said to have evolved 10 million years ago. The earth would have been very purple mushrooms dominated the land, making the land more suitable for plants by breaking down rocks into soil.

Wow. Very interesting. Great piece!

Very good video as usual ! Suggestion, make a video about Charnia

Why is there just one tree of life and not a forrest? Are there any clues that life formed more then once?

@Mertiy7

6 жыл бұрын

Actually this is a really interesting question

@eruyommo

6 жыл бұрын

From what I know, they concluded that it's a single tree because all life uses RNA and DNA. If it were a forset, they would expect other kind of information-carrying-molecules and maybe some sylicate based life.

@Mertiy7

6 жыл бұрын

Maybe life as we know it was the only survivor, others were structurally too unstable or couldn't catch up with "life"

@ProfessorPolitics

6 жыл бұрын

There's actually some research going on right now to see if there are other "life forms" on Earth that evolved without DNA/RNA as their base. Super interesting stuff!

@darkninja___

6 жыл бұрын

smalhil From what I understand it would be highly unlikely that another form of like could take hold if another form of life is already on place. The first form of life has already had time to evolve and form niches in its environment, so any simpler forms of life that form would have a very hard time competing for resources and would go extinct very quickly. It is kind of like why rodents and small mammals couldn't evolve to new dominant niches until the dinosaurs were wiped out and spots became open.

I'm early! Also, could you do a episode on the diversity of extinct crocodylomorphs?

one of the best episodes.

great topic. thank you

When The earth was Thanos.

@6e757alocke

4 жыл бұрын

thanos earth

@jamestownvander4240

4 жыл бұрын

Yes it was his Time 😁😊

Mt Toba please! :)

@rafaelalodio5116

6 жыл бұрын

Toba what?

@thedebateroom

6 жыл бұрын

Mt. Toba, or Lake Toba, caused a big genetic bottleneck early on in our species. Humanity was reduced to a few hundred or thousand individuals, caused a minor mass extinction. It was a supervolcano that erupted.

This is awesome! Can you tell us more about color and light??

Thanks a lot for this video, some most interesting theories are proposed here. Here I'll submit some of MY theories to a few of the points raised in this video: 1.As to why chlorophyl is green nd this doesn't use the green light, I'd simply suggest about organisms that use primarily chlorophyl that dispite not making use of the green light, all the same these organisms are using the most efficient photosynthetic chemical that can be readily made by nature and I remind you that most plants also use other photosynthetic chemicals as well such as xanthrophyl so they do exploit some green light. 2. I can well believe that early photosynthesising organisms used much simper and less efficient photosynthetic chemicals and retinal was probably amongst these compounds. Good point. 3.As for why "green life" became the dominant form, I'd say this would simpy be due to the greater efficiency of chlorophyl against other photosynthetic compounds which gives its users a clear advantage. 4. You're totally right about searching for green tinted planets. There are conceivably countless chemicals alien life could naturally come up with to exploit light energy, it needn't be a green planet at all. With people considering how life might evolve in the alkane seas of Titan for example, this reminds us tht any life on another planet could well have radically different conditions to overcome in order to survive. As our charming presenter reminds us, we must explore and discuss possible theories. And what are the names of the presenters of PBS Eons? (we already know the name of apparently moonlighting Hank ;))

Thanos Earth

I'd like a video that just has "dinosaurs had feathers" being said repeatedly

I'm impressed by both the information and the restraint it must have take to avoid making a Jimi Hendrix pun.

I loved how she wore purple for this video. She's my favorite pbs eons person. Just noticed the tattoo. Nice!

3:59 _"That flood of oxygen would have killed off many of the simpler - possibly purple! - microbes that came before them."_ ): 💀

Everyone: Could you do a whale evolution or convergent evolution video?

@abhiramsrivastava4601

6 жыл бұрын

Eons: Let’s make another bacteria video

@Nesa.007

3 жыл бұрын

Abhiram Srivastava I ain’t complaining pretty interesting

It's a classic, but I'm sure your audience would love a video about island nanism/gigantism with dwarf mammoths.

I want to see a video on the giant (subfossil) lemurs and very early primate evolution (including lemur evolution).

I’d like to see a purple planet 🌍

Wouldn't the 'purple earth' still have looked predominantly blue from space? i mean our 'green earth' looks pretty blue...

@joachimschoder

6 жыл бұрын

Not if the oceans are packed with bacteria coloring them purple. Live first thrived in the oceans. The land masses probably would have been gray and dead.

@annoyed707

6 жыл бұрын

Except that minerals come in many colours, and while overall it may have tended toward a grey, it would hardly be uniformly so.

@istvansipos9940

6 жыл бұрын

our green Earth loox pretty blue. because, with all that water, it is mostly blue. if the landmass were a super green, lush rain forest and nothing else, Earth would still look blue

@_Muzolf

6 жыл бұрын

Not necessarily. Our planet looks blue because of the atmosphere too. And if at that time, there was a lot of Co2 and barely any oxygen. It might have shifted the colour somewhat.

@campkira

5 жыл бұрын

Purple rain, anyone?

Great topic, I had no idea. Sounds like it could be a game changer in our search for life on other worlds. Interesting...

Can you do a part two where you show what Earth would look like if it were purple? Like purple oceans, lands, everything. And animals. What would they look like

There are plants with red and purple leaves, not just deciduous.

@_Muzolf

6 жыл бұрын

Those are reflective pigmentations, our plants exclusively use klorofil for actual power.

@michagrill9432

5 жыл бұрын

@@_Muzolf *chlorophyll

THANOS EARTH THANOS EARTH

Can you do a quick review about the different colors of the earth like this one but including snowball earth, oxygen event earth and so on...

Interesting fact: some consider halo-archea to be "photo-trophic" but not photosynthetic b/c they can only make ATP, not complex sugars & halo-photo-trophism only works at a very high salinity, like 2 - 5 molar.

Please do a video on feathered T. rex.

@charlesamazon2663

6 жыл бұрын

yeeeeeeeeeeeeeeeeeeeeeeeees

@disfigurative2900

6 жыл бұрын

animalman57 I somewhat agree, but there isn’t fossil evidence of Tyrannosaurus having feathers and/or protofeathers.

@benjaminlamothe2093

6 жыл бұрын

animalman57 t rex probly didnt have feathers why would it it was a bulky predator unless it had huge feathers the size of pom fronds with the tensile strength of kevlar (which would show up in its fossils) feathers wpuld be useless to t rex unless for some sort of mating display which once agane would have to be pretty big to be impressive (and the would still be fossilized)

@animalman57

6 жыл бұрын

God. I want them talk about the LIKELIHOOD OF IF T. REX HAD FEATHERS, I'M NOT SAYING IT DID.

@bluetannery1527

6 жыл бұрын

Check out Animalogic, the KZread channel. She talked about this a fair bit

THANOS PLANET, THANOS PLANET

Brilliant again, thanks!!

I love your shirt and your way of explaining things

Earth: YA I LOVE BEING PURPLE!

Meow

I love this channel!

Makes me think of the violet dwarf star .-. It would be so beautiful to say.. see a big forest of purple trees with green ferns down below. Kinda the reverse of some forests today with green oaks above and bluebells below

What if it was purple

Why aren't plants black?

@jakeyaks11

6 жыл бұрын

Because black is the absorption of all color, for the same reason purple plants apparently didn't survive would explain why black ones never evolved to be. Or, perhaps for the same reason that if you leave a plant in direct sunlight for too long, it turns white. Plants use the energy absorbed to excite electrons that they move to build/break down compounds, storing and releasing energy. Absorbing too much energy breaks down the bonds faster than they can be replaced leading to an unsustainable cycle.

@ottolehikoinen6193

6 жыл бұрын

Could well be on the outskirts of the habitable zone.

could​ you do a video on prehistoric fish? like what happened to the armored fish and how sharks to over?

Kallie, very interesting. I also like the way you color coordinated your shirt to match the purple planet. Very chic 🇮🇹😉