Confounding

... not see that humans are higher organisms than, say, pond scum? Do you see pond scum solving complex math problems or some of life's most confounding myteries?...can they build tall buildings or fly to the moon or land a spaceship on mars? Can they love others, get married, build a house, ...

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Isolate your variables...you might have too many confounding factors

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... of of yeast, as it picks up the hydrogen ions produced during the process. the yeast cannot then use the ions to make energy. this could have a confounding effect on your results :) Thank you for that, i'll go add that now! :)

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... of of yeast, as it picks up the hydrogen ions produced during the process. the yeast cannot then use the ions to make energy. this could have a confounding effect on your results :)

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Remember, running requires endurance, speed, coordination etc etc, you really don't want to have all those confounding factors mixed in. However, companies such as gatorade have a couple of examples of other tests(your wallet is probably a lot lighter than theirs though) http://www.gatorade.com/science_and_innovation/sweat_test/

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