More on 7NEWS.com.au Josh Piterman sings 'Unchained Melody' in tribute to Patrick Swayze 'I Am Patrick ... broken bones and all sorts of things - so the initial reaction was, I can beat this. "After ...

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When chlorine (as a gas or dissolved in water) is added to sodium bromide solution, the chlorine takes the place of the bromine. Because chlorine is more reactive than bromine, it displaces ...

pH is a measure of how acidic or alkaline a solution is. The diagram below shows what happens to an enzyme when denaturation occurs. Each enzyme has an optimum pH but it also has a working range ...

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Sarah Vine and Andrew Pierce bring their own no-holds-barred opinions, insights and reaction (clue is in the title) to the biggest stories of the week. New episodes every Wednesday, wherever you ...