Additional tests may include a nuclear stress test to assess for blockages in the coronary arteries, and if positive, a cardiac catheterization, an invasive test which involves threading a thin wire into the heart to assess for blockages in the coronary arteries as well.

FORBES: Coronary CT Scans May Save You (And Your Hospital)

On top of all this they were able, in a different sort of test, to bend a piece of wire into a hook to retrieve a bucket containing a waxworm.

ECONOMIST: Tool use by non-tool-using animals

The third was a multi-parametric mechanical test based on five different mechanical parameters linked to the voltage of the wire.

FORBES: A Nice App, But The Shroud Of Turin Needs A New Peer Review

And they performed a "WIGGLE" test. (I know you will find this hard to believe, but that is NOT an acronym for Wire Integration Gross Gyration Looseness Exam -- it's just a plain old wiggle test.) In any case, the wires all checked out -- and on went the flow toward a January 19 launch.

CNN: Challenger explosion