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

More Questions:

What is the Islamic equal to the Red Cross?

What badge number was retired by the LAPD when Jack "Joe Friday" Webb died in 1982?

What is campanologist the study of?

What "Lady of the Lamp" was named for the Italian city where she was born?

'Girls with a Pearl Earring" is one of only thirty-five extant works of what Dutch painter?

What is replaced in the hand of William Shakespeare's graveside memorial bust each year on the anniversary of his death?

What color spot led tot he death of Billy Bones in "Treasure Island"?

Which US President was responsible for the "Louisiana Purchase"?

What invisible "color" can bees see on flower petals?

Which elephant can't be domesticated, the African or Indian?

What rapper was born Marshall Bruce Mathers III?

'Dead Men Don't Wear Plaid" was the last film of what legendary costume designer?

During the early 1900s, over 12 million immigrants landed on what New York island?

How many points did the Dow drop on "Black Monday" in 1987?

What contestant-based reality television series aired in the United States originated in Holland?