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tropical cyclone

Know about the hurricanes, its formation, and the challenges in forecasting

Go inside a tropical cyclone's eye to learn how low-pressure cores exist amid cloud walls and high winds

Learn about cyclones and how they are formed

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Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Andrew Jackson delivering a speech while on his way to Washington, D.C., for his inauguration in 1829. From Harper's Weekly, 1881.

5 Remarkably Close U.S. Presidential Elections

Statue of Nostradamus

Nostradamus and His Prophecies

Click on image for enlargements of panel sections. The Ghent Altarpiece (open view) by Jan and Hubert van Eyck, 1432, polyptych with 12 panels, oil on panel; in the Cathedral of Saint-Bavon, Ghent, Belg.

The Most Stolen Work of Art

United States Electoral College votes by state

How Many Electoral College Votes Does Each U.S. State Have?

United States elections portal page linking to each election interactive

A History of U.S. Presidential Elections in Maps

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

eye

tropical cyclone

Learn about this topic in these articles:

centre of tropical cyclones

In tropical cyclone: The eye
A characteristic feature of tropical cyclones is the eye, a central region of clear skies, warm temperatures, and low atmospheric pressure. Typically, atmospheric pressure at the surface of Earth is about 1,000 millibars. At the centre of a tropical cyclone, however, it is typically…
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