41. Directed evolution of bacterial proteins related to bioremediation of radionuclides is also a field research . 42. Joan M . Tenenbaum also conducted extensive field research on the language in the 1970s. 43. It is a venue for field research and education. 44. He predominantly made us of field research and interviews. 45. In the meantime, I'll continue with my field research . 46. Here is a theory that needs no field research . 47. Recently, however, field research has increasingly suggested that rapid evolution can occur following big environmental changes. 48. Deborah Jay, president of Field Research , cautioned against drawing too many conclusions from the 160-person sample. 49. These programmes include captive breeding management, field research , habitat conservation, public education and community-based resource management. 50. He participated in field research and damage surveys.