The first thing a coffee thermos has to do is keep coffee from the best coffee maker hot or cold, as you like. The best coffee thermoses are easy to open and pour, don't spill, and are lightweight ...

Which can keep coffee at 55°C/131°F for a long time, automatic heating, automatic thermostat control and automatic shut-off after 24 hours. How to Use: Double click the button to power ...

This story appears in the March 2018 issue of National Geographic magazine. Coffee lovers, rejoice. New research suggests that people who drink two to three cups of coffee a day—caffeinated or ...