地震はいつの世も恐ろしい現象でしたが、 都市が発達してビルの崩壊というリスクが大きくなるとますます命に関わるようになりました。ではなぜ地震でビルが崩壊するのでしょうか？どうやってそれを防げばいいでしょうか？ ヴィッキ V. メイは一番頑丈なビルではなく、よく考えて設計されたビルが倒れない理由を解説します。
レッスン: ヴィッキ V. メイ
アニメーション: Pew36 Animation Studios
＊このビデオの教材: http://ed.ted.com/lessons/why-do-buildings-fall-in-earthquakes-vicki-v-may

OVERSEAS

地震でビルが崩壊する理由 ― ヴィッキ V. メイ

Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions. 

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In February of 1942, Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield. However, the sound wasn’t coming from the sky. The source was a large, smoking crack emitting gas and ejecting rocks, and would come to be known as the volcano Paricutin. Where do new volcanoes like this come from, and what triggers their unpredictable eruption? Steven Anderson investigates.

Lesson by Steven Anderson, directed by Cabong Studios.

Animator's website: https://www.cabongstudios.com.br/
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View full lesson: https://ed.ted.com/lessons/what-makes-volcanoes-erupt-steven-anderson

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Volcanic eruption explained - Steven Anderson

Dig into the science of plate tectonics to find out when the next supercontinent will emerge— and how it could affect Earth’s environment.

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In the early 20th century, Alfred Wegener's theory of Continental Drift laid the foundation for our modern theory of plate tectonics. And today we know something even more exciting: Pangea was only the latest in a long lineage of supercontinents, and it won’t be the last. Jean-Baptiste P. Koehl explores when the next supercontinent will emerge — and what it might mean for Earth’s environment.

Lesson by Jean-Baptiste P. Koehl, directed by Iuri Araujo, Província Studio.

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View full lesson: https://ed.ted.com/lessons/the-continents-are-moving-when-will-they-collide-jean-baptiste-p-koehl
Dig deeper with additional resources: https://ed.ted.com/lessons/the-continents-are-moving-when-will-they-collide-jean-baptiste-p-koehl#digdeeper

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The continents are moving. When will they collide? - Jean-Baptiste P. Koehl

大型の津波は高さは約30mに達し、時速800km以上になることもあります。津波の通り道にある人や物に様々な被害をもたらします。アレックス・ジェンドラーが津波の原因を詳しく解説し、また、将来的に津波の被害を減らそうとする科学者たちの模索について説明します。
講座:アレックス・ジェンドラー
アニメーション:オウグンブリック・スタジオ
＊このビデオの教材: http://ed.ted.com/lessons/how-tsunamis-work-alex-gendler

津波のメカニズム - アレックス・ジェンドラー

1816年、ヨーロッパと北米は大雨と奇妙な色の雪、飢饉、 不思議な霧や6月まで続く異常低温に悩まされました。多くの人達はこの世の終わりだと信じましたが、この”夏のない年”は1万km以上も離れた場所で1年前に発生した超巨大火山の噴火によるものだったのです。アレックス・ジェンドラーがこの大規模な噴火の歴史と科学を説明します。

講師：アレックス・ジェンドラー
アニメーション： アンドリュー・フォアスター

*このビデオの教材: http://ed.ted.com/lessons/the-colossal-consequences-of-supervolcanoes-alex-gendler

超巨大火山の破壊的影響 － アレックス・ジェンドラー

Take a look at the theories behind why earthquakes occur, what makes them so hard to predict and the warning system technologies we rely on today. 

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In 132 CE, Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an earthquake occurred for hundreds of miles. Today, we no longer rely on pots as warning systems, but earthquakes still offer challenges to those trying to track them. Why are earthquakes so hard to anticipate, and how could we get better at predicting them? Jean-Baptiste P. Koehl investigates.

Lesson by Jean-Baptiste P. Koehl, directed by Cabong Studios.

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View full lesson: https://ed.ted.com/lessons/why-are-earthquakes-so-hard-to-predict-jean-baptiste-p-koehl

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Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl

トルネードは地球における最も暴力的な嵐で、その風速は時速320キロを超えることもあります。
この恐怖のつむじ風はどのようにできるのでしょうか？気象学者のジェームズ・シュパンは、スーパーセル（巨大な積乱雲）から恐怖の竜巻ができ、霧消するまでのトルネードの一生を明らかにします。

レッスン：ジェームズ・シュパン
アニメーション：Província Studio

*このレッスンのビデオ: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann

トルネードはどのようにできるのか？－ ジェームズ・シュパン

Explore the ancient methods of growing glaciers, the homemade bodies of ice used as water sources, and how they can be used to combat climate change. 

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In the 13th century, Genghis Khan embarked on a mission to take over Eurasia, swiftly conquering countries and drawing them into his empire. But, legend has it that there was one obstacle that even he couldn’t overcome: a towering wall of ice, grown by locals across a mountain pass. M Jackson explores the ancient methods of growing glaciers and how they can be used to combat climate change. 

Lesson by M Jackson, directed by Artrake Studio.

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View full lesson: https://ed.ted.com/lessons/how-to-grow-your-own-glacier-m-jackson

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The power of nature

津波のメカニズム - アレックス・ジェンドラー

トルネードはどのようにできるのか？－ジェームズ・シュパン

超巨大火山の破壊的影響－アレックス・ジェンドラー

地震でビルが崩壊する理由 ― ヴィッキ V. メイ

How to grow a glacier - M Jackson

Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl

Volcanic eruption explained - Steven Anderson

The continents are moving. When will they collide? - Jean-Baptiste P. Koehl

The power of nature

津波のメカニズム - アレックス・ジェンドラー

トルネードはどのようにできるのか？－ ジェームズ・シュパン

超巨大火山の破壊的影響 － アレックス・ジェンドラー

地震でビルが崩壊する理由 ― ヴィッキ V. メイ

How to grow a glacier - M Jackson

Why are earthquakes so hard to predict? - Jean-Baptiste P. Koehl

Volcanic eruption explained - Steven Anderson

The continents are moving. When will they collide? - Jean-Baptiste P. Koehl

トルネードはどのようにできるのか？－ジェームズ・シュパン

超巨大火山の破壊的影響－アレックス・ジェンドラー