Rogers-based Onyx Coffee Lab is releasing a coffee system that offers java lovers five levels of caffeine, the company said ...

Today, Onyx Coffee Lab unveiled Circadian, a first-of-its-kind coffee system featuring five caffeine levels. The collection ...

In this lab, students will determine the amount of caffeine in a beverage. Students will determine the retention time of pure caffeine. From this information, students will be able to identify the ...

Is your caffeinated buzz from a natural or artificial source? Researchers in Germany have now developed an easy way to determine whether drinks contain natural or synthetic caffeine (Anal. Chem., DOI: ...

The newest review of the literature on caffeine and its effect on the rhythm of the heart shows that the drug is safe for people with atrial or ventricular arrhythmias, an abnormal heart rhythm. Even ...

This week, Zack Seward quits coffee and discovers his true, sluggish inner self. I quit all caffeine for a week, and here’s what I learned: 1.) Coffee is a magical elixir. 2.) Going caffeine-free is ...