シャドーイング練習: Would you ’design’ your baby using AI? - BBC - YouTubeで英語スピーキングを学ぶ
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You are reinforcing the ideas of preferences that some people are more valuable than others.
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You are reinforcing the ideas of preferences that some people are more valuable than others.
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Hey.
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Hey.
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How are you?
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Yeah, very good.
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25-year-old Kyan Sadehi runs a tech startup called Nucleus Genomics.
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His company uses AI algorithms to analyze the DNA of his customers' future children like never before.
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These are nitrogen tanks, I think.
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Yes.
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How many embryos do you reckon there are in here?
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Like millions?
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If all the samples here were embryos,
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yes, there would be millions, yes.
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Millions of potential new humans?
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Yeah.
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Kian uses AI to map each embryo's DNA,
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comparing it against huge DNA databases to try to predict a baby's future risk of disease.
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Some diseases can be predicted with certainty.
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For others, he can say how people with similar DNA turned out.
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When I talk to a couple,
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they say, my grandfather had Alzheimer's.
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I want to do anything I can to make sure my son doesn't have Alzheimer's.
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And then I think, well,
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genetics obviously can help with that.
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And so I think more people are going to use IVF,
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and they're going to be using genetic optimization technology to basically pick their child.
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Figuring out whether a baby will develop Alzheimer's later in life is a best guess,
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not a diagnosis.
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But the company goes further,
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helping parents choose an embryo based on eye color, height or even IQ.
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Kian had already raised $32 million from investors.
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He just launched a glossy new ad campaign.
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I think it is.
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OK, let's go.
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Nucleus Embryo is for couples doing IVF to uncover the full genetic profile of each embryo in one intuitive platform.
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Every parent deserves the power to decide what possibility feels right for their family.
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Some people don't think you should have this choice,
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but it's not their choice to make.
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It's yours.
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You're not afraid of controversy, are you?
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No, no, no, no. It's not about...
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It's...
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You know, if you were doing IVF and you had five embryos,
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would you want to pick your future baby randomly?
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Or would you ask the doctor for more information on each,
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especially if you have a family history of Alzheimer's, of cancer?
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It's my right to know this information.
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It's my choice to say I want a baby at lower disease risk,
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I want a baby that's slightly taller,
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or even with a specific eye colour,
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etc. It's their right, it's their choice.
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I think what you're doing,
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where people have genetic predispositions for particular diseases,
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especially when they're preventable or treatable, I think it's amazing.
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What I don't understand is why you would include to something like IQ and eye color.
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Because it's so controversial.
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And it's like, it's a little bit eugenics-y, you know?
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You are implicitly saying that taller is better.
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You are reinforcing the ideas of preferences that some people are more valuable than others.
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No, not at all.
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I think parents have the right to choose across their embryos,
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right, if they want a baby with a lower disease risk,
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for example, or if they want a baby that's shorter or taller.
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That's absolutely their right to choose.
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This is designer babies, though.
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I mean, bluntly, this is designer babies.
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No, no, it's not designer babies at all, actually.
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How is it not designer babies?
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It's not designer babies at all.
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If a parent wants to give their child the best starting life,
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that is like a parent doing the most basic,
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in my mind, and human thing.
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If a parent...
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The moment a child is born,
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they will run multiple tests on a baby to make sure the baby's healthy.
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They'll give it vaccines, for example,
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to make sure they don't get diseases.
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This is just another tool in the toolkit that helps parents do that.
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But there was something else I was worried about.
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Even the best scientists don't fully understand how genes and environment combine to make us who we are.
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I was worried that all of this complexity was being overlooked in favor of tantalizingly simple AI predictions.
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Do you think that the technology is mature enough,
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accurate enough, capable enough to be giving people this illusion that they have control?
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The platform, I think, does an excellent job showing the uncertainty and showing the fact that,
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again, DNA is not destiny,
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and DNA will never be destiny.
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People can have certain just genetic dispositions,
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but there's the whole thing called life,
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which is there's environment, there's how you're nurtured,
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how you're raised, nutrition, et cetera.
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We cannot possibly reduce human life to just a DNA strand.
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このレッスンについて
このレッスンでは、AI技術を用いて未来の子供の遺伝子を分析し、さまざまな遺伝的特徴を選択することに関する話題を通じて、英語のリスニングとスピーキングを練習します。特に、医療や遺伝学に関連する語彙やフレーズに重点を置きます。YouTubeで英語学習を楽しくしながら、実際の会話に近いスピードとトーンでの練習ができます。
キーワードとフレーズ
- AI algorithms - AIアルゴリズム
- DNA - DNA
- embryo - 胚
- predict risk - リスクを予測する
- genetic optimization - 遺伝的最適化
- family history - 家族の病歴
- lower disease risk - 低い病気リスク
練習のヒント
このビデオのスピードとトーンに合わせて、英語シャドーイングを行うことをおすすめします。具体的な方法は以下の通りです。
- まず、ビデオを一度見て内容をつかみます。その後、もう一度再生しながら耳を傾けることから始めましょう。
- 難しいと感じたフレーズは一時停止し、何度も繰り返し聴き、口に出して言ってみてください。
- スクリプトを用意し、各フレーズに合わせて声に出してみることで、shadow speechを実践しやすくなります。
- 特に、感情を込めて話すことを意識し、shadowspeaksの効果を最大限に引き出すようにしましょう。
- 最後に、友人や家族に自分の声を録音して聞いてもらい、フィードバックをもらうと良いでしょう。
このような練習を通じて、より流暢な英語スピーキングのスキルを身につけることができます。さあ、始めてみましょう！
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。