Example sentences of "have been investigating [art] " in BNC.

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1 Gregory Bothun , of the Harvard Smithsonian Center for Astrophysics , and five colleagues from as many different establishments , have been investigating the nature of a relatively nearby ( low redshift ) quasar dubbed 0351 +026 .
2 Only 15–20 per cent of present day California is part of the original North American plate , say three geologists at the United States Geological Survey ( USGS ) who have been investigating the birth of California .
3 For 11 years I have been investigating the flora and fauna of this 700 sq.m site .
4 British Airways have been investigating the potential of AI to engineering diagnostics through a Computer Aided Decision & Diagnostics Information System programme ( CADDIS ) .
5 A spokesman for Thames Valley police , who have been investigating the don 's disappearance , said that two detectives would be flying to Paris today to continue their inquiries .
6 The Council 's Audit Department and Thames Valley police have been investigating the fraud for the past fortnight .
7 Whilst police have been investigating the savage crime … surgeons have been opearting on the savage injuries .
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