21.   No institution can function without a feedback loop to tell it what it is doing right and wrong.

22.   Scientists have found that the taste system involves a complicated feedback loop, with each nerve acting to inhibit the signals of other nerves.

23.   Some researchers believe leptin, which is found in higher levels among overweight people, is part of a feedback loop that nudges the body to regain lost weight.

24.   That axiom became part of the feedback loop that catapulted the valuation of Internet companies.

25.   The answer lies in the feedback loops in the brain that integrate vision, senses, body movements, body image and motor commands, Ramachandran said.

26.   The apparatus also contains an infrared laser, beam splitters, and many feedback control loops.

27.   The weather pattern across the northern Middle Atlantic states has been caught in a feedback loop for the past few days.

28.   This interactive real-time feedback loop was a first in Senate history, Leahy noted.

29.   This feedback loop is what process improvement is all about.

30.   Today, we might think of it as a feedback loop.