Leaning Wonder of Engineering
Most everyone is familiar with the famous Leaning Tower of Pisa. It's known not so much for its engineering, as for the fact that it hasn't fallen yet. From an engineering standpoint, it is a study in what not to do, although the architectural elements of the…
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Chemistry
Ozone: Good Up High, Bad Nearby
Ozone is a gas that forms in the atmosphere when 3 atoms of oxygen are combined (03). It is not emitted…
Astronomy
The Sun’s Corona
The White-Light Corona - The Corona is the Sun's outer atmosphere. It is visible during total eclipses of the…
Geology
Fossil Energy - The Basics
Contrary to what many people believe, fossil fuels are not the remains of dead dinosaurs. In fact, most of the…
Biology
The Razor-sharp Surgeonfish
As any diver can tell you, the waters under the sea can be beautiful and dangerous. The oceans are full of…