Your morning coffee may be hundreds of thousands of years old

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Your morning coffee may be hundreds of thousands of years old
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The coffee that picked you up this morning is 600,000 old.

FILE - Arabica coffee beans harvested the previous year are stored at a coffee plantation in Ciudad Vieja, Guatemala, on May 22, 2014. In a study published in the journal Nature Genetics on Monday, April 15, 2024, researchers estimate that Coffea arabica came to be from natural crossbreeding of two other coffee species over 600,000 years ago.

Arabica coffee, prized for its smooth and relatively sweet flavor, now makes up 60% - 70% of the global coffee market and is brewed by companies like Starbucks, Tim Horton's and Dunkin' Donuts. The rest is robusta, a stronger and more bitter coffee made from one of arabica's parents, Coffea canephora.

The arabica plant’s population fluctuated over thousands of years before humans began cultivating it, flourishing during warm, wet periods and suffering through dry ones. These lean times created so-called population bottlenecks, when only a small number of genetically similar plants survived.

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