Translating Uncle Sam

Interactive: Explore the surface of Mars

Up and atom: The comeback of nuclear power

The rising threat of radon

What's killing all the coral?

Endangered species: Where are they now?

What causes hurricanes?

Will oil and hurricanes raise gas prices?

How dependent are we on foreign oil?

Glacial profiling: Are glaciers on thin ice?

Genetically modified crops on the rise

BPA: Is plastic poisoning our food?

Overfishing: Are there really plenty of fish in the sea?

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