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Bridge Pictures give you a glimpse of some of the most amazing engineering accomplishments. Check out this collection of bridge pictures.

The oceans take up most of the surface area of our planet and remain mostly unexplored. But how many oceans are there?

What is fertilizer and why do plants need it? What do the three numbers on most bags of fertilizer mean?

Product shortages on everything from cars to computer chips continue unabated. At the root of most is the "bullwhip effect." But what is it?

Learn how to prevent some of the most common throat infections, including cold sores, mono, and strep throat, in this article.

The White House is often called the most haunted house in America and it's known to be rife with the unquiet spirits of past residents.

Aspic might not be the most crave-worthy of culinary creations, but it does inspire a sort of cultlike devotion among ardent supporters.

Air Force One is the most amazing private jet in the world -- a flying White House complete with a gym! Take a tour.

This sprawling garden of a landscape cemetery sits in the middle of Paris and holds the remains of some of its most famous, and infamous, citizens.

There are lots of weird, archaic laws on the books. Learn about some of the most bizarre and completely archaic laws still on the books.

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