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It’s no fairy tale—factory farms and air travel form a viral expressway to pandemics.

The remarkable ways animals get around.

Think we might eventually travel to other planets? In a way, we already are.

When home is not a haven.

Natural gas is shaking up the search for green gasoline.

Pick your favorite travel mode—big, small, light, dark, or twisted.

Nanomedicine is going to battle against brain disease in Iraq veterans.

How shipping containers made distance irrelevant.