Like chocolate, cocoa powder is made from cacao beans. After the beans are processed into a paste known as chocolate liqueur, some of the cocoa butter is removed and the remaining solids are ...

As much as the best baristas in America can control a cup of coffee when the kettles are steaming and the scales are beeping, the fate of a bean is sealed far earlier, while still in its green state ...

Engineers have created a chemical system that continually produces useful crude oil minutes after they pour in raw algae material -- a green paste with the consistency of pea soup. The technology ...