Beth Mole, writing at ArsTechnica, gives a great breakdown of why coffee is clearly the best beverage on Earth.
But, the researchers did note that in the drip coffee method, the last drops out of the coffee maker were most packed with caffeine and chlorogenic acids. This suggests that longer steeping times (5 to 6 minutes in the study) would get the most out of the beans.
This lines up with my brew methods and what I have found suits my taste.
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