Coffee bean is not actually a bean, it is a seed. Beans are always seeds, but seeds are not always beans. A bean is just one kind of a seed. Specifically, the bean is a name for seeds of the family Fabaceae, of which the coffee plant is not a member.
A coffee bean is actually the seed of the coffee plant, the pit inside of the coffee fruit.
Only one state produces coffee, Hawaii.
English chemist, George Constant Washington invented instant coffee.
Put used coffee grounds in houseplant soil to help the plants.