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Katharine Graham had four children to raise and a newspaper to operate.At first,she was concerned only with finding a way to keep control of The Washington Post until her sons were old enough to super...

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สุขภาพของคนเราขึ้นอยู่กับการทำงานอย่างเป็นปกติของระบบต่อม ที่ทำหน้าที่ควบคุมการปล่อยฮอร์โมนบางชนิดที่มีความสำคัญต่อการทำงานบางอย่างของร่างกาย อาทิ ควบคุมระบบเผาผลาญอาหาร การเจริญเติบโตและพัฒนาการ การน...

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NARRADOR: La controversia seguiría por años. Para convencer a los escépticos hacía falta más evidencia. Una crítica de la hipótesis del KT era que no había un cráter que fuera de la antigü...

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How big would such a hyper donut universe be? Well, because of its strange geometry, actually this is kind of the smallest possible universe – potentially just a few times bigger than th...

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The Earth may not be our home forever. Eventually, we may have to leave. What if instead of finding a potentially habitable exoplanet light-years away, we stayed in our Solar System a...

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Les mots des JO, Lucie Bouteloup. Ce que vous entendez, c'est un extrait de l'hymne olympique, une pièce créée spécialement pour la première édition des Jeux modernes à Athènes, le 6 avril 1896. La m...

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Bảng mạch điện tử dùng một lần có thể in trên giấy, phân hủy dễ dàng. Các nhà nghiên cứu Mỹ chế tạo thành công một nguyên mẫu bảng mạch, được làm từ một tờ giấy với đầy đủ thành phần điện tử tích h...

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Bảng mạch điện tử dùng một lần có thể in trên giấy, phân hủy dễ dàng. Các nhà nghiên cứu Mỹ chế tạo thành công một nguyên mẫu bảng mạch, được làm từ một tờ giấy với đầy đủ thành phần điện tử tích h...