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143. Migration is in our surviving genes

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140. 冬の夜明け Hope of the Sun in the Frigid Winter Morning

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133. ニッチ価値勝負

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122. 千年前にトリップ

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110. マルコ・ポーロに学ぶ

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105. 語り継ぐ義務

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104. F. コレマツを取り込もう

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99. 人口統計から探る変化