Biology teaching.
In Mark Crawford's story "Budget crunch stalls Super Collider" (News & Comment, 1 Apr., p. 17) the caption accompanying the photograph was incorrect. The superconducting magnet pictured was 4.5 meters long, not 17 meters, as stated.
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D000818:Animals; D001001:Anura; D001695:Biology / Q000193:education*; D004210:Dissection / Q000662:veterinary*