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Coral Reefs close to collapse
Up to half of the world's coral reefs are close to collapse, say scientists
Up to half of the world's coral reefs are close to collapse, say scientists, threatening both local environments and economies. Studies of rising ground temperatures in the Arctic show that permafrost regions are threatened. Is a synthetic cell the breakthrough in creating artificial life? The discovery in Uruguay of 4,800-year-old farming settlements will re-write the country's pre-Colombian history.
大象传媒 World Service Archive
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Science In Action
The 大象传媒 brings you all the week's science news.