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Adenosine is a neurotransmitter that is affected by caffeine. Caffeine basically makes your adrenal glands to release Adenosine which is your "Fight or Flight" hormone. Because of the "Flight or Flight" hormones, your heart will speed up and you feel awake. Next time you drink coffee to stay awake, remember that you're in a way interning "Fight or Flight".

Contributed by Gemma Arreguin

Coffee heart

The world can send you messages in the strangest ways, you just have look for them.

Contributed by Nora Gosselin

Reusable coffee filters

Using reusable filters, or permanent as they are referred to instead of paper filters can save money, and reduce trash.

Contributed by Clarissa Rodriguez

Who really thought of making coffee and why?

Contributed by Susan Hollenbeck

Coffee is good for you. In fact, women who drink four to five cups a day of Coffee are 34 percent less likely to die of heart disease than those women who drink no coffee. Whereas men who drink five cups are 44 percent less likely to die of heart disease than men who drink no coffee.

Contributed by Lois Tan

Amazing 3D coffee foam art by Kazuki Yamamoto

Contributed by Kathryn Vercillo

As of July 2013, this is the world's largest coffee bean mosaic by Russian artist Arkady Kim. I can't imagine the patience it takes to put together this incredible creation!

Contributed by Alyssa Green

Arkady Kim's mural made of over 397 lbs of coffee beans. That is over a million coffee beans!!

Contributed by Alyssa Green

The most expensive coffee is the kopi luwak in Indonesia. The coffee is made from beans that have already been eaten (and excreted!) by an animal called the Asian palm civet. The coffee is $50 per cup!! Info courtesy of

Contributed by Taylor Jackson

The US imports over $4 billion of coffee annually Info courtesy of

Contributed by Taylor Jackson