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Scientists believe that all life on Earth originated from one single organism, the Last Universal Common Ancestor, LUCA. Now, researchers have uncovered evidence that LUCA was much more complex than previously thought, which is puzzling because it didn’t have a lot of time to evolve. This seems to suggest that life can come into being much faster than we thought. Let’s take a look.
Paper: https://www.nature.com/articles/s41559-024-02461-1
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38 Comments
Yes there is a creator how still controlls and communicate
"It supports my confirmation bias"
News is all about Elon.
LOL.
LUCA is a hypothesis based on hypotheses. There is no, as Sabine Hossenfelder purports, "observation that all living beings on Earth are built up in similar ways" [00:36]. Actually, "there is little theoretical or empirical support for this widely held assumption" "that all life on Earth today shares the same basic molecular architecture and biochemistry" [Carol E Cleland, "Epistemological issues in the study of microbial life: alternative terran biospheres?", Stud Hist Philos Biol Biomed Sci, 2007 Dec;38(4):847–861 <PMID: 18053938>].
Oxford comma for life!!!
I keep telling people that we all come from the same source of All, but people just keep telling me “no, I’m special”. If only they knew how special it feels to be connected to All 🙏🏼
Why is she talking about biology and evolution when it is not her field?
"Life Began Much Faster Than We Thought" .
Correction:
“Much faster than modern conventional scientists thought”.
For our ancient ancestors it was/is eternal of nature.
I agree with your idea that life is very common in the universe. The Drake Equation is all wrong about many components. We know about stellar evolution: There is plenty of hydrogen, carbon, and oxygen everywhere. We know the kind of complex chemicals you mention can form and get aligned into something like RNA by inorganic crystals and such. Once you have self-replicating stuff like RNA, evolution is inevitable. Everything that happens along the way is driven by The Second Law of Thermodynamics. That and evolution seem to be universal, where conditions permit it, so life is probably abundant in the universe.
The origin of life may be 1 chance in a trillion, but when the same sort of experiment is running in a billion instances, the odds that one will succeed is only 1 in 1000. And then that one replicates while all the failures die off. THAT is evolution. So why don't we have contact with anybody? Perhaps the speed of light really is a universal speed limit, so everybody else is too far away to bother to travel that far. Or they have a lot of better places to go. We certainly don't have much to offer to a space-faring race. Solve FTL travel, and maybe somebody will think it's worthwhile to spend a few thousand years to get here.
Your videos has another side effect, you turn your viewers now can predict what product will you promote seconds before it appears.
HEY!! ONIONS have feelings too !! lol
There are huge problems with the abiogenesis hypothesis. Here's just one example out of many: molecules on their own, without a conscious entity (like a human scientist) acting upon them, have never been shown to evolve towards life – i.e. towards an ordered system in which there are the non-regular patterns of assembly (as in DNA, for instance) that are required for the complexity of living systems.
That means life, came from rocks. We evolved from rocks. Rain fell, washed chemicals from the rocks, mixed in with thermal vents in a he ocean, and BAM! LUCA. Evolved from non-life.
I suppose thats easier to believe, than a creator, just speaking them into existence. Because, well, with a creator, you have a moral code. If we came from rocks, pfffft.
Richard Dawkins is the origin of memes
Michael Levin is a researcher worth checking out, in particular his recent video (search this platform for: Self-constructing bodies, collective minds: the intersection of CS, cognitive bio, and philosophy).
The number of assumptions that get a fresh inspection (basic morphology isn’t stored in genetic sequence, more like DNA is a kind of hard drive and the kinds of programs that can be stored in that medium, even within a species or “individual“ is more vast than we have even begun to unpack).
I wonder what an interview style video with Sabina asking questions would be like 😅
so, creationism
Realy : NO ONE needds the "political left" ….
I have always suspected that the "panspermia" theory had some truth in it. Just because life started so early on earth.
(But life don't neccesarily imply intelligent life.)
In other words, we have NO IDEA. It's all theory still.
We're still figuring out how to do DNA testing effectively. Nanopore was good step, but it's not sufficient alone.
The mention of auto catalytic cycles rand true with me. I've often felt that everything has natural selection properties and that complexity grew continuously before RNA by means of autocatalysis within pockets of organic chemicals associating with minerals.
Fascinating. I find the statement "If something can happen then it will if given enough time." Perhaps this is true but I wonder if it is true in our universe where events and things tend to repeat events over and over instead of trying every possibility.
This is a fun read, with some excellent thought provoking ideas: Evolution From Space: A Theory of Cosmic Creationism (Fred Hoyle, Chandra Wickramasinghe).
Fred Hoyle was a boyhood hero of mine, well worth investigating. I'm not sure how many of the book's premises are true, but they are mostly falsifiable, so not just idle speculation.
Fred could certainly think outside the box!
Pinkity pink.
Maybe, in the beginning God created the Heaven and the Earth
Follow up. Genetic paleontology seems to be surprisingly predictive to life beginning on "hell earth".
Directed panspermia, inteligente design in every possible aspect of organic life on Earth.
Legoland is a world of lego blocks. It wasn't made by lego blocks. Just keep that in mind when listening to Atheists.
Do we know which exothermic chemical reaction(s) results in 37C of our body temperature?
Presumably, first life would poorly separate what it needed from what it did not. Tidy its DNA/RNA and eliminate waste. Those have taken vast periods of time, in which life still has to work in an intelligent enough way to not die out from build up of junk. Possibly the same as what we call of our selves, being intelligent but hardly able to recycle and conserve as well as what we call unintelligent life has developed.
So I am suggesting, (I am an engineer) it's big because it is inefficient compared to subsequent versions.
evolution of life is encoded in consciousness
My confirmation bias says this looks designed.
Or… “someone” designed LUCA, cough cough God.
Youtube censors are lower than drug dealers.
Luca Brazi sleeps with the fishes
My name is Luca, I live upstream from you.
James Tour scientist and professor explains all this in detail regarding cells. Let me tell you God created the earth. It did not evolve. Even canyons can form very quickly discussed with proof by Answers in Genesis folks in a film. Oil can be created in weeks not millions of years as well. Slow is a deception.
I agree with you that extra-terrestial life must be common. But also suggest if it is common, we must be among the pioneers, at least in our bubble of space.
These processes are still slow, like 1/4 of the existence of the Universe! We're virgins!
Why wouldn't it be LECA? Last earthly common ancestor? It's not a universal ancestor. It's only the earthly ancestor.