Some mourners leave coins at grave sites rather than flowers. Here's what each denomination means.

BIG QUESTIONS
The interesting origins of silver dollar pancakes.
You may or may not have realized the universally used mugs in American diners. There’s actually a surprising history to explain why.
Pumpkin pie was actually born in Europe—until American colonists claimed it as their own in the late 18th century.
These small forests could have a mighty impact on local ecosystems.
This admittedly is probably not the No. 1 question on your mind—but we answer it anyways.
The phrase has a surprisingly long, convoluted history.
There were some very compelling reasons for picking the first Tuesday in November as Election Day—at least, they were when that date was chosen.
Some athletes call it runner’s trots. Others refer to it as the Gingerbread Man. Here’s why marathoners sometimes get off to a runny start.
The origins of the phrase (indirectly) involve smelly cabbage, Donald Duck, and several Canadian journalists.
Leather doesn’t just look cool—it also serves a very important safety purpose.
As anyone who’s seen the movie ‘Titanic’ already knows, the ship didn’t sink immediately. So how long was the process?
The answer involves World War I soldiers and a cute bird.