SALMON, IDAHO, Nov 6: An Idaho scientist shrugging off skeptical fellow scholars in his quest for evidence of Bigfoot has turned his sights skyward, with plans to float a blimp over the US mountain West in search of the mythic, ape-like creature. Idaho State University has approved the unusual proposal of faculty member Jeffrey Meldrum, an anatomy and anthropology professor ridiculed by some peers for past research of a being whose existence is widely disputed by mainstream science. (agencies)