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pythagoras's therom
If the results get ridiculously high or low/or if they needed to do more trials/or if they missed some procedures
They already knew it, Pythagoras just proved it
Some Experiments was created on 2006-03-27.
Most of europe and some of asia
He did some of the numbers in Pi.
Yes, they are used in experiments in some places :)
Through peer review
Pythagoras might have written some articles but it is not known because known of his articles have survived through the years.
Well.... there is pythagoras.
Although some marketers do consider marketing a science, it is really more of an art. This is because marketing results can't always be replicated the way that scientific experiments are.
some other similar experiments include= Does using Bed Head or Tea Tree shampoo affect how healthy my LOOKS? or maybe= Does using the internet or book affect the results you get on a question?