Earthworms spend most of their time underground, but they're drawn to the surface during rain showers because it's easier for them to migrate over moist soil. This characteristic earthworm behavior has led seagulls to develop an unusual behavior of their own: Seagulls stamp their feet on the ground to imitate the sound of falling rain. This draws earthworms to the surface. And when the worms reveal themselves, the seagulls eat them.

Napoleon's continental blockade made it nearly impossible to buy coffee in France, so people drank a beverage made from what root instead?

A) Cassava

B) Celery

C) Chicory

D) Jicama

Previous answer: At its completion in 1880, the cathedral in Cologne, Germany, was the world's tallest building. It was surpassed in 1884 by the Washington Monument.

TRIVIA FANS: Leslie Elman is the author of "Weird But True: 200 Astounding, Outrageous and Totally Off the Wall Facts." Contact her at [email protected].