21.   Neurons that fire in response to the same frequency tend to cluster into little islands, forming a kind of sound frequency map in the auditory cortex.

22.   Not only are the three back on the same frequency, they have also played so well that Arnott was asked if he was going to change his citizenship.

23.   Software works in the background to sort out information broadcast on the same frequencies pagers use.

24.   The practice threatens to create the cyber-equivalent of radio stations broadcasting on the same frequency all at once.

25.   The shots had come from generally the same spots and at the same frequency.

26.   The same frequencies can be used simultaneously in different areas because a cell phone signal from the ground does not wander much beyond its intended receiving station.

27.   The study found that eighth graders and fourth graders use computers in school at about the same frequency.

28.   They concluded that it emitted a signal on the same frequency as that of the airport at Maputo, the Mozambican capital.

29.   This system would allow stations in adjacent cities to use the same frequency without interference, allowing for more efficient use of spectrum.

30.   Video Guide gets its listings from transmissions on the same frequency as pagers, via a stubby little antenna atop the unit.