Pratica di Shadowing: What Is Life? Is Death Real? - Impara a parlare inglese con i video
Creazione lezione...
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Life is fundamentally different from dead stuff, or is it?
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Physicist Erwin Schrödinger defined life this way.
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Living things avoid decay into disorder and equilibrium.
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What does this mean?
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Let's pretend that your download folder is the universe.
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It started orderly and got more and more chaotic over time.
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By investing energy, you can create order and clean it up.
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This is what living things do.
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But what is life?
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Every living thing on this planet is made of cells.
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Basically, a cell is a protein -based robot too small to feel or experience anything.
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It has the properties we just assigned to life.
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It has a wall that separates it from the surroundings creating order.
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It regulates itself and maintains a constant state.
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It eats stuff to stay alive, it grows and develops, it reacts to the environment, and it's subject to evolution,
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and it makes more of itself.
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But of all the stuff that makes up a cell, no part is alive.
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Stuff reacts chemically with other stuff, forming reactions that start other reactions, which start other reactions.
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In a single cell, every second, several million chemical reactions take place, forming a complex orchestra.
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A cell can build several thousand types of protein, some very simple, some complex micromachines.
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Imagine driving a car at 100 km an hour
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while constantly rebuilding every single part of it with stuff you collect from the street.
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That is what cells do.
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But no part of the cell is alive, everything is dead matter moved by the laws of the universe.
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So is life the aggregate of all these reaction processes that are taking place?
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Eventually, every living thing will die.
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The goal of the whole process is to prevent this by producing new entities.
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And by this, we mean DNA.
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Life is, in a way, just a lot of stuff that carries genetic information around.
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Every living thing is subject to evolution, and the DNA that develops the best living thing around it will stay in the game.
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So, is DNA life then?
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If you take DNA out of its hull, it certainly is a very complex molecule, but it can't do anything by itself.
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This is where viruses make everything more complicated.
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They are basically strings of RNA or DNA in a small hull and need cells to do something.
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We're not sure if they count as living or dead.
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And still, there are 225 million cubic meters of viruses on Earth.
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They don't seem to care what we think of them.
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There are even viruses that invade dead cells and reanimate them so they can be a host for them, which blurs the line even more. Or mitochondria.
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They are the power plants of most complex cells and were previously free -living bacteria that entered a partnership with bigger cells.
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They still have their own DNA and can multiply on their own, but they are not alive anymore they are dead
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so they traded their own life for the survival of their DNA
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which means living things can evolve into dead things as long as it's beneficial to their genetic code
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so maybe life is information that manages to ensure its continued existence
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but what about AI artificial intelligence by our most common definitions we are very close to creating artificial life in computers
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It's just a question of time before the technology we build gets there.
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And this is not science fiction either.
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There are a lot of smart people actively working on this.
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You could already argue that computer viruses are alive.
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Hmm, okay, so what is life then?
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Things?
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Processes?
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DNA?
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Information?
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This got confusing very fast.
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One thing is for sure, the idea that life is fundamentally different from non -living things
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because they contain some non -physical element or are governed by different principles than inanimate objects turns out to be wrong.
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Before Charles Darwin, humans drew a line between themselves and the rest of living things.
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There was something magical about us that made us special.
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Once we had to accept we are, like every living being, a product of evolution, we drew a different line.
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But the more we learn about what computers can do and how life works, the closer we get to creating the first machine that fits our description of life,
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the more our image of ourselves is in danger again.
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And this will happen sooner or later.
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and here's another question for you
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if everything in the universe is made of the same stuff does this mean everything in the universe is dead
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or that everything in the universe is alive
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that it's just a question of complexity does this mean we can never die
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because we were never alive in the first place is life
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and death an irrelevant question
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and we haven't noticed it yet is it possible we are
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much more part of the universe around us than we thought
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don't look at us we We don't have any answers for you, just questions for you to think about.
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After all, it's thinking about questions like this that makes us feel alive and gives us some comfort.
📺 Stesso Canale
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Vocabolario e note di pronuncia per questa lezione
Questo video contiene 72 frasi e 861 parole da ripetere con lo shadowing. Il parlato dura 5:32. Chi parla ha un ritmo naturale di circa 156 parole al minuto, vicino a una conversazione quotidiana. Il 86% delle parole rientra nelle 3.000 più comuni dell’inglese; conviene studiare le altre prima di iniziare.
Vocaboli chiave di questo video
15 parole del video che vale la pena imparare, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| virus sostantivo | /ˈvaɪ.ɹəs/ | virus |
| evolution sostantivo | /ˌiːvəˈluːʃ(ə)n/ | evoluzione |
| genetic aggettivo | /d͡ʒəˈnɛt.ɪk/ | genetico |
| artificial aggettivo | /ˌɑː.tɪˈfɪʃ.əl/ | artificiale, artificioso |
| react verbo | /ɹiːˈækt/ | reagire |
| fundamentally avverbio | fondamentalmente, essenzialmente | |
| partnership sostantivo | /ˈpɑɹtnɚʃɪp/ | partenariato |
| complicated aggettivo | /ˈkɑm.plɪˌkeɪ.tɪd/ | complicato, intricato |
| argue verbo | /ˈɑɹ.ɡju/ | discutere, dibattere |
| element sostantivo | /ˈɛləmənt/ | elemento |
| fiction sostantivo | /ˈfɪkʃən/ | finzione |
| comfort sostantivo | /ˈkʌm.fət/ | agio, comodità |
| string sostantivo | /stɹɪŋ/ | spago, stringa |
| collect verbo | /ˈkɑlɪkt/ | raccogliere, bottinare |
| survival sostantivo | /sɚˈvaɪ.vəl/ | sopravvivenza |
I phrasal verb che sentirai
| Parola | Pronuncia | Significato |
|---|---|---|
| make up verbo | /ˌmeɪk ˈʌp/ | comporsi |
Pronuncia a cui fare attenzione
Chi parla usa 6 contrazioni e forme ridotte, come don't, can't, haven't. Pronunciale nella forma breve, così come le senti.
- I suoni “sh” e “zh”: evolution /ˌiːvəˈluːʃ(ə)n/, artificial /ˌɑː.tɪˈfɪʃ.əl/, partnership /ˈpɑɹtnɚʃɪp/, fiction /ˈfɪkʃən/, beneficial /ˌbɛn.ɪˈfɪʃ.əl/
- Parole lunghe — attenzione all’accento: evolution /ˌiːvəˈluːʃ(ə)n/, artificial /ˌɑː.tɪˈfɪʃ.əl/, complicated /ˈkɑm.plɪˌkeɪ.tɪd/, entity /ˈɛn.tə.ti/ [-tʰi], beneficial /ˌbɛn.ɪˈfɪʃ.əl/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
- Registrati e confronta con l’originale, facendo attenzione a parole come virus, evolution, genetic.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.