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Guatemala ensures survival of vulnerable 'fossil' fish
科学与环境

Guatemala ensures survival of vulnerable 'fossil' fish

In a freshwater canal surrounded by mangroves in southern Guatemala, hundreds of baby tropical gars—a torpedo-shaped fish with an alligator-like snout dubbed the "fossil fish"—are released into the wild.

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科学与环境

These tropical trees breathe at night to survive drought

Some tropical trees have evolved a clever way to survive drought by taking in carbon dioxide at night, allowing them to keep their pores closed during the hot daytime and conserve water. By comparing three Clusia species, researchers discovered that this water-saving form of phot

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