In its unfolded state, a protein's backbone is exposed from its normal hiding-place deep within the folds.

ECONOMIST: Folding stuff

An extraordinary incident unfolded in the state of Oklahoma on Oct. 2.

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As head of the Commonwealth Connector, the official insurance exchange set up in Massachusetts, he has seen at first hand how the raucous politics of reform have unfolded in his state.

ECONOMIST: Health reform

The New York Times reported that defense department officials said they did not receive a request for help from the State Department as the attack unfolded.

FORBES: Benghazi Stand Down Denials Don't Stand Up To Reason

But tobacco companies have been in an almost permanent state of crisis as the medical evidence against them has unfolded over the years.

ECONOMIST: Idea