Q&A: How Many Stars Are There in The Universe?

Astronomers estimate that there are billions of stars in the universe, but are their numbers accurate? With increasingly sophisticated imaging technology, scientists are continuously improving their approximations.

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Q&A: How Do Some Organisms Glow in the Dark?

Although humans never evolved the necessary mechanisms to glow themselves, some bioluminescent species can in fact emit their own light. The trick? A specific type chemical reaction, which happens to have many practical applications.

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Q&A: What Causes Curly Hair?

Genetics may be the cause of curly hair, but researchers at MIT have just recently explored the physics behind why exactly curly hair acts the way it does.

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