21. She giggles so infectiously , you half expect her to whip out a clipboard and chirp about sightseeing in Acapulco. 22. Ideas have to be at a level that's compelling so they move infectiously through the economy ." 23. And for the evening's first five minutes or so she seems to be having an infectiously good time. 24. But Castro, who is working with Sergio Algarrada, a school colleague who teaches biology, is infectiously hopeful. 25. Hosted by Neil deGrasse Tyson an infectiously enthusiastic and accessible astrophysicist and director of New York's Hayden Planetarium. 26. The choreography is so infectiously imaginative that your feet will start tapping even if they haven't tapped in years. 27. The crowd was in an infectiously good mood, even when the parade started late and developed 15-minute gaps. 28. "Walking Blues " swaggers infectiously , an unamplified portent of the electric blues that would rock postwar America. 29. I am not sure of the answer, but part of it must be that Blair himself is so infectiously optimistic. 30. The vocals are infectiously upbeat with wonderful harmonies and use of nonsense syllables, sounding like enthusiastic street-corner singing.
