Does Earth Have Its Own Neon Sign?
You might wonder what the Northern Lights and neon signs have in common. Actually, a lot! What makes luminous colors shimmer across the Northern sky? The answer is in the Sun. Charged particles are constantly ejected from the Sun. These particles, collectively…
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Facts About Angina
Angina is a recurring pain or discomfort in the chest that happens when some part of the heart does not…
Chemistry
The Melting Point
Physical properties of a material fall into two categories: intrinsic properties determined by the structure…
Biology
How Do They Grow Those Colossal Pumpkins?
Those enormous pumpkins that set records every fall are living proof that both genes and environment make…
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…