What widely consumed drug acts as a natural defence to protect the seeds of the coffee plant?

More Questions:

What is a "crotchless portafilter"?

In Greek mythology who ferries the dead across the rivers Styx and Acheron?

What year was the first half of "The Faerie Queene" epic poem published?

Who published his Civil War poetry in "Drum-Taps"?

Yaren is the capital of which country?

Lilongwe is the capital of which African country?

What fluid was the chemical "taurine" first derived from?

What popular drug was once extracted from the bark of the cinchona tree?

What bird lays the largest eggs?

The rock band, Pearl Jam, was formed in what US city?

What classic Science-fiction movie features a giant robot named Gort?

Taking advantage of a fad at the time, what song became a #1 hit for Ray Stevens in 1974?

'The 10 days that shook the world" refers to what country’s revolution?

What general led the Mexicans in the siege against the Alamo?

Which US Senator was nominated as Hillary Clinton’s vice presidential running mate?