As fewer seats become available, fares switch to higher levels and if the carrier sees flights filling briskly, it will spike the prices.

WSJ: How (and When) to Snag Cheap Airfares

Jaffe posits that the drop in A1c and LDL levels was not only due to a readjustment in dosage or a switch in medication, but also possibly to better compliance to existing medication in patients with the most elevated levels.

FORBES: Largest Study Ever Links Electronic Health Records With Improved Patient Outcome

The switch's conductivity could be changed by manipulating the levels of electrical current.

FORBES: Magazine Article