21.   The new results, the teams say, could also be evidence for new particles within the quarks, an equally exciting possibility.

22.   The new discovery opens exciting possibilities for treatment and prevention.

23.   This may play into the most exciting possibility atached to the new world of image-making and image delivery, namely the increasing democratization it will foster.

24.   Even as Flavr Savr faded from market, it had opened a brave new world for scientists with exciting possibilities.