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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.

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.

How shipping containers made distance irrelevant.

Special spots in empty space might hold the key to interplanetary exploration.

Why food aid needs to overhaul its delivery system.

Building new lands requires sacrifice.

Transportation optimization starts with math, but ends in understanding human behavior.

Whether measured in milliseconds or megayears, the world is in constant motion.

Looking up to the sky, a young astronomer finds truths at her feet.