Millions of people around the world live on river deltas and are vulnerable when those rivers shift direction. A new study shows why and where these events, called avulsions, happen.
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By studying the DNA of people who lived in East Asia thousands of years ago, scientists are starting to untangle how the region was populated.
Conventional wisdom holds that China - the world’s most populous country - is an inveterate polluter, that it puts economic goals above conservation in every instance. So China’s recent moves toward an…
