21.   He is planning to repeat the experiment next year, this time with a more sophisticated implant capable of a wider range of communications.

22.   I repeated the experiment twice more.

23.   In disbelief and growing excitement, Roentgen repeated the experiment over and over.

24.   Last year in Belgium he repeated the experiment with European students.

25.   Lori repeated the experiment with three macaque monkeys infected with the simian version of HIV.

26.   Naturally, I repeated the experiment on several Sundays, just to be sure.

27.   Next, he gave them a drug that blocked the opioid receptors and repeated the experiment.

28.   Neither the United States or Italy has plans to repeat the experiment.

29.   Snodgrass plans to repeat the experiment with human ES cells.

30.   Some scientists said that until the Dolly experiment had been repeated they would retain a seed of doubt.