Phonetic gaydar

[sylvar]

Interesting stuff (as usual) from Language Log:

Differences in the acoustic characteristics of vowels were found as a function of sexual orientation. Lesbian and bisexual women produced less fronted /u/ and /ɑ/ than heterosexual women. Gay men produced a more expanded vowel space than heterosexual men.

So does this mean there's such a thing as a 'gay accent'?