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CategoriesNooks and cranniesYesteryearSemantic enigmasThe human body beautifulRed tape, white liesSpeculative scienceThis sceptred isleRoot of every evilEthical conundrumsThis sporting lifeStage and also screenBirds and also the bees BIRDS and THE BEESWhy perform flies congregate about centrally-hung light fittings, also when the light is not on? flies congregate where various other flies have actually congregated. Your favourite areas are marked by collection of brown point out about half a millimetre in diameter and also are not limited to irradiate fittings, however if a light does entice flies this will certainly initiate a 24-hour parking place. No doubt they room attracted through the parking markers put down by previous occupants. It\"s similar to the scars along country roads which lack a lay-by. (Sir) James Beament, Queens\" College, Cambridge. FLIES usage the sun (the brightest visible object) come navigate a directly line. Maintaining the sun\"s position and also their relation to it, constant. Once they discover themselves indoors wherein the brightest light is hanging indigenous the ceiling, the fly is may be to reach this fake \"sun\" and also indeed \"overtake\" the forcing the fly to traction a wicked appropriate turn, again, and again, and also again. Flies do this as soon as the irradiate is not on, probably because they are exhausted from flying round and around, when the light is on. Kevin Ryan, Queens, new York (kwryan

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