You've been brewing coffee all wrong

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By: Patrick Jones

Making the best cup of coffee might boil down to a little math. According to a group of mathematicians from The University of Limerick, the size of the coffee grains is most important.

The coffee loving bunch found that the smaller the grain the more bitter the taste. The also discovered that large coffee grounds will brew a weak and smokey pot of coffee.

Related: Starbucks copycat recipes:

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Starbucks copycat recipes

Starbucks Pumpkin Scones

"These are SO amazing. They taste just like Starbucks'. Do not change a thing! And do not leave out the spice frosting!" -Kabwe Cook

Get the recipe

Starbucks Lemon Loaf

"I give this six stars! It looks beautiful and is just delicious. I work next to a Starbucks and this is 10 times better!" -Linda Saslove

Get the recipe

Starbucks Light Coffee Frappuccino

"Perfect proportions! This is a very nice coffee drink and such a bargain! I added just a bit of cocoa powder to make mine a mocha frappuccino." -Chef Kate

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Starbucks Blueberry Oat Squares

"These wholesome bars are just like Starbucks' blueberry squares — if not better! My favorite things about this recipe are the oatmeal base and crumble topping." -lilsweetie 

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Starbucks Lemon-Tipped Biscotti

"These are absolutely wonderful! The dough was easy to work with and the biscotti turned out perfect." -Aaliyah's&Aaron'sMum

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Starbucks Hot Chocolate

"This is great hot chocolate! It's better than Starbucks' because I can make it at home. I love it! I used soy milk and Splenda and it was still delicious." -kittycatmom

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Cranberry Bliss Bars

"I love cranberries, and this very easy recipe is a nice way to use them. I tinted the frosting pink by thinning it with cranberry juice. Everything came out great. I know I'll make these again!" -Lynne the Pirate Queen

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Green Tea Latte

Enjoy a frothy pick-me-up with this energizing mix of Matcha green tea and soy milk! If you prefer, dairy works equally well.

Get the recipe

Starbucks Banana Walnut Bread

"This is my new favorite banana bread! It was sweet, dense and bananalicious! I don't even care how many calories are in each slice. It's worth it." - addicted2foodnetwork

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Starbucks Outrageous Oatmeal Cookies

"One word to sum it up: delicious! Good ol' Starbucks never fails. I just finished baking them 15 minutes ago and have already eaten three! Photos don't do these cookies justice — you have to try them for yourself." -KiwiMegan

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Coconut Mocha Frappuccino

"This is wonderful! I was looking for a good excuse to have it, and was happy when my neighbor came to visit. It was perfect! I'm printing and passing the recipe on to my neighbor right now upon her request." -Chef Mommie

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Starbucks Chewy Fruit & Nut Bars

"After spending loads on commercially made fruit and nut bars, I'll never buy them again! These are great for a boost of energy when you need it, and they're easy to vacuum seal for on-the-go." -scented08

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Starbucks Gingerbread Latte

"I love this recipe! So many gingerbread latte recipes use store-bought gingerbread syrup. I was glad to find one I could make with ingredients I already have." -MBMommy

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Starbucks Marble Pound Cake

The secret to creating this rich loaf is twofold: cake flour to give it that signature soft texture, and lemon zest to make the vanilla batter sing.

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Starbucks Caramel Macchiato

"I am perhaps the biggest Caramel Macchiato lover in the world. I recently moved to a small town from the big city and was so missing Starbucks — because of this drink! I'm SO glad I found this recipe." -megs_

Get the recipe

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The researched hope their findings will lead to the perfect coffee machine. It would have uniform settings so that every cup that comes out is perfect.

Scroll through to see the best gifts for coffee lovers:

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Holiday gift guide: For the coffee lover
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Holiday gift guide: For the coffee lover

illy's special collaboration with the Florentine fashion designer, Emilio Pucci, features 6 "Cities of the World" prints -- and whether your friend drinks espresso out of them or puts them on display, she's sure to appreciate the exquisite gesture.

Emilio Pucci Art Collection Espresso Cups, Set of 6, illy, $150

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This adorable top will last her all year -- whether she's wearing it to yoga or layering it up with a cozy sweater this winter -- and it'll perfectly express how she feels every. single. day. Because who can honestly get started with anything before that morning brew?

But First, Coffee Tank Top, Etsy, $19.95

BUY IT

Help your friend make barista-worthy coffee with the touch of a button -- with four types of frothed milk!

Aeroccino4 Milk Frother, Nespresso, $119

BUY IT

This beauty is one of the top-rated mugs on Anthropologie for a reason -- it's stylish, durable and totally affordable. See the trend here? Go on, keep racking up those best friend points.

Anthropologie Gloriosa Mug, Anthropologie, $12

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Not only is this coffee grinder something every java-lover should have, it's also really, really pretty. The retro style combined with its incredible price (less than $20, yes please!) make this a perfect gift.

Copper Vintage Style Burr Coffee Grinder, World Market, $19.99

BUY IT

Okay, if your friend is a true coffee fiend, he or she needs to have this all-in-one, everything you could possibly need set. It's a no-brainer. And you're guaranteed to be the favorite gift-giver of the year.

Sofia Vergara's Ninja Coffee Bar, Amazon, $199.99

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Okay, this one's for the diehards. But seriously -- how cute is it?! 

LED Marquee Sign Coffee Cup, Bed Bath & Beyond, $39.99

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Talk about the ultimate travel "mug" for your morning brew -- this bottle from S'Well will keep your coffee hot for 12 hours. Not joking here, 12 hours. (It also keeps cold drinks cold for 24 hours!) It's guaranteed to be a gift that everyone will love -- and it doesn't hurt that it's really pretty, too.

S'Well Metallic Titanium Bottle, Joyus, $35

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This mug from The Everygirl isn't just beautiful, it has a mantra on it that we plan on living by. You're not someone who settles -- in love, in your career, in life in general. So keep not settling and get the best out of your every day.

Keep Not Settling Mug, $15, The Everygirl

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Not only will he or she feel ~very fancy~ with this French Press, it's one of our favorite ways to brew a cup of joe. Plus, the fact that the container itself is a chalkboard makes it that much cuter -- and cooler.

Chalk Ceramic French Press, World Market, $19.99

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What a perfect play on words -- because if you're planning to seize the day, you'd better seize some caffeine first!

Carpe Caffeine Mug, Set of 2, World Market, $11.98

BUY IT
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