The Big Bang Model
The Big Bang Model is a broadly accepted theory for the origin and evolution of our universe. It postulates that 12 to 14 billion years ago, the portion of the universe we can see today was only a few millimeters across. It has since expanded from this hot…
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Astronomy
Nursery of Giants Captured in New Spitzer Image
Typically, the bigger something is the easier it is to find. Elephants, for example, are not hard to spot. But…
Astronomy
Live Fast, Blow Hard, and Die Young
Massive stars lead short, yet spectacular lives. And, they usually do not go quietly, instead often blowing…
Biology
Tobacco Mosaic Virus
We all know that AIDS, SARS and flu are all caused by viruses. Most people, however, don't realize that some…
Chemistry
What Makes a Candle Burn?
Have you ever wondered how a candle works? If you haven't, think about it for a while. Why does it take so…