21.   But though they may run at different speeds, politics and the economy are inextricably intertwined.

22.   De Bont, who takes an artistic approach to his action sequences, had specific requests for the different speeds of objects in the twisters.

23.   Different speed, different atmosphere.

24.   DNA fragments of different sizes travel at different speeds, tending to bunch in distinct patches that resemble fuzzy black caterpillars.

25.   Different materials require different cutting speeds.

26.   Each group absorbed Chinese influences at different speeds and customized them in inventive ways.

27.   Each travels at a different speed and a different distance from the sun.

28.   Fear, laughter and time moving at a little different speed.

29.   For instance, an atom and an anti-atom might fall at slightly different speeds toward a gravitating object like the sun.

30.   Four different batters, four different speeds, same result, all strikeouts.