How Much Starlight Has Been Emitted Since the...

Since the early days of space exploration, some of NASA's greatest have pulled some great pranks. Learn about our favorites, from a smuggled sandwich to a space gorilla, in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/ridiculous-history-5-n ...  عرض المزيد

When you shiver, your fingers and toes go numb, or you get goosebumps in the cold, that's actually your body trying to keep you warm. Learn how it works -- and how you habituate to chilly temperatures over time -- in this episode of BrainStuff, based on this article: https://heal ...  عرض المزيد

How dark matter was discovered, and what it might be

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Can physicists discover new particles by watching how muons wiggle in magnetic fields?

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Daniel talks about how astronomers can measure or deduce the mass of a star, and why it controls its fate.

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Why can't we travel faster than light? Can we ever reach the stars?

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