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Five unlikely breakthroughs in medical science today.

Blind to the mathematical odds, we fall to the marketing gods.

How the 2009 swine flu raced around the world.

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.