Coffee beans in a jar and piles of rice or sand are examples of granular matter: materials composed of large numbers of macroscopic—rather than atomic scale—particles. Although granular matter is extremely familiar in ...
General Physics
Apr 17, 2024
0
236
Coffee: It leaves some people feeling fit and refreshed; in others, it makes their heart race. Scientists have developed several decaffeination processes to allow even people who react badly to caffeine to enjoy a cup of ...
Other
Aug 14, 2014
0
0
Coffee is one of the most popular drinks in the world, and its high levels of caffeine are among the main reasons why. It's a natural stimulant that provides an energy buzz, and we just can't get enough.
Analytical Chemistry
Nov 1, 2023
0
2
Climate change could wipe out more than half of Ethiopia's coffee production unless farmers move to higher ground, scientists warned Monday.
Ecology
Jun 19, 2017
2
210
Andrew Cotter's day does not begin until he's had his "cup of Joe," a ritual he takes seriously as one of a growing group of coffee consumers who grind and brew specialty coffee beans at home for a more flavorful and fragrant ...
Other
Jan 17, 2019
0
332
The world's most expensive coffee can cost $80 a cup, and scientists now are reporting development of the first way to verify authenticity of this crème de la crème, the beans of which come from the feces of a Southeast ...
Other
Aug 21, 2013
2
1
A groundbreaking new study finds that coffee beans are bigger and more plentiful when birds and bees team up to protect and pollinate coffee plants.
Ecology
Apr 4, 2022
0
246
Fall is always a good time to create new habits, and coffee chains know it.
Environment
Oct 10, 2017
0
59
When it comes to processing coffee beans, longer fermentation times can result in better taste, contrary to conventional wisdom. Lactic acid bacteria play an important, positive role in this process. Other species of microbes ...
Cell & Microbiology
Feb 1, 2019
4
109
It's easy to get in a jam. But it's much harder to explain exactly how or when it started.
General Physics
Dec 14, 2011
4
1
