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Clean Water Act changes put wetlands in the crosshairs

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Doggy blood donors save lives

What we know about vaping-related lung illness

What you need to know about that mysterious Chinese virus

We just got a treasure trove of photos of the 'dark' side of the moon

To fight loneliness, let's get innovative

​Why Carolina bays are an enduring mystery

We know more about how the victims of Vesuvius died — and it's grim

What kind of animals belong on flights?

Is cursive handwriting obsolete?