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AIR POLLUTN MIGHT BE TURNG F FLI GAY
While several studi fd homosexualy humans and other animals is blogil rather than learned, a qutn remas over whether 's a hard-wired phenomenon or one that n be altered. A new study fds dgs or geic manipulatn n turn the homosexual behavr of u fli on and off wh a matter of hours. While the geic fdg supports the thkg that homosexualy is hard-wired, the dg fdg surprisgly suggts 's not that fact, homosexualy the u fli seems to be regulated by how they terpret the scent of another.
IS AIR POLLUTN TURNG F FLI ‘GAY’? NOT QUE.
Dramatic rultHomosexualy is wispread the animal world. But scientists have long bated whether, humans a "gay gene" exists. "Based on our prev work, we reasoned that GB mutants might show homosexual behavr bee their glutamatergic synaps were altered some way, " Featherstone said.
"Homosexual urtship might be sort of an 'overreactn' to sexual stimuli. As predicted, they were able to turn fly homosexualy on and off, wh hours. "Sense of smellThe team figured fly bras mata two sensory circus: one to trigger heterosexual behavr and one for homosexual.
When GB supprs glutamatergic synaps, the homosexual circu is blocked, the thkg they did more tts. A study 2005 found that when smellg a chemil om ttosterone, portns of the human bras active sexual activy were turned on gay men and straight women, but not straight at least among u fli, "pheromon are powerful sexual stimuli, " Featherstone said. "The rearch was published onle today by the journal Nature AnimalsGay Men Rpond Differently to PheromonTop 10 Swgers of the Animal Kgdom.