What is the thin layer of foam appearing on top of an espresso called?

More Questions:

From which language do the tennis terms "love" and "deuce" originate?

In what Edgar Allen Poe poem does the narrator lament the loss of his lover, Lenore?

From what language did English borrow the word "wok"?

Who published his last novel, "A Passage to India', in 1924, though he lived 46 more years?

What mythological character did Zeus punish by having him hold up the heavens on his shoulders?

In 1959, which two territories became US states?

What is the "bole" of a tree?

How many arms does a squid have?

What is the more common term for amblyopia?

What alien comes from the planet Melmac?

When did construction of the Berlin Wall begin?

Which Canadian Prime Minister was born on December 25, 1971?

Approximately, how many days is the rotation period of Venus?

"Four legs good, two legs bad" is a quotation from which novel?

Who was John Lennon married to?