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I hope I'm right. Anyways, this counting/probability problem seems rather interesting: Assuming a 365-day year, find an expression for the probability that in a group of n people, there is at least one birthday in common. Hence find the minimum number of people required for this...

Seeing as though the whole calculation of the UAI and HSC marks thingy is so complicated, I was just wondering if someone could point me to a document outlining the entire scaling, moderating, aligning process...one that is not necessarily pictoral, by the way. :)

What an interesting study... http://www.smh.com.au/news/unusual-tales/i-think-therefore-i-am-/2005/12/07/1133829642605.html

I was just wondering, are all plastics polymers?

i was just wondering, how many people out there can solve a rubik's cube? without ripping off the stickers and sticking them back on, or taking it apart... Apparently the world record for solving one is 12 seconds. :eek:

Is there a way to do so?