Tag: Chemistry
How is decaf coffee made? And is it really caffeine-free?
Some coffee lovers can’t do without their hit of caffeine. But if you prefer decaf, here’s the intriguing science of how it’s made, why it costs more – and how much caffeine makes it to your cup.
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31 Oct, 08:00 PM
Why does my hair turn green from the swimming pool?
While chlorine plays a role in making your hair appear green, there’s actually another main culprit – copper.
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20 Sep, 02:00 AM
Calories and kilojoules: how do we know the energy content of food, and how accurate are the labels?
There are two main methods used to calculate the energy content in food and drinks.
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21 Aug, 09:00 PM