...which are serious? Obviously it's easy to ridicule homeopathy, acupuncture, reikie and other nonsense. But how do you figure out which questions are done for a joke, and which are serious?

I mean, this one's just poking fun, right?

http://uk.answers.yahoo.com/question/index;_ylt=AiBlZXVOqz9cBNV50ysnocMgBgx.;_ylv=3?qid =20080822013133AAjGvdG&show=7#profile-info-41gCkdJ2aa

But is this one
http://answers.yahoo.com/question/index;_ylt=Arv_juZryG2.vfIF9LLdOn7qxQt.;_ylv=3?qid =20080821213937AAsH2wt
serious?