"Unfortunately, you can have the highest quality, most perfect roasted bean and still mess up the coffee."
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#1
If you're a coffee lover then you'll be striving to make the perfect cup and these scientists think they've found the answer.
It's not just the bean, roast and brew that make up that tasty drink, but also the coffee to water ratio, water quality and temperature you need to get right.
Now the guys at science charity the American Chemical Society has come up with this handy video to help.
A spokesman said: "It's one of the most popular beverages in the world, and many of us rely on it to stay awake every day.
#2 Why is it so hard to make a good coffee?
"But not every cup of coffee is created equal.
"From the bean to the brew, science can help you get the perfect cup.
"This week, Reactions goes on a quest for better coffee through chemistry."
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#3 Why is it so hard to make a good coffee?
In the video they touch on the best beans and roast but it's the brew, the part they say is "left to us amateurs".
He adds: "Unfortunately, you can have the highest quality, most perfect roasted bean and still mess up the coffee."
