Translating Uncle Sam

What is the Great Pacific Ocean Garbage Patch?

What are the different types of lightning?

Which U.S. volcanoes are most dangerous?

Are fireworks bad for the environment?

How does the flu work?

White-nose syndrome haunts bats

How floods happen, and how to be safe

Are wildfires getting worse?

Earthquakes: Finding fault with nature

What causes tornadoes?

Road salt's Catch-22: It works, but at a price

Flaking out: How snow forms

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