How Much Starlight Has Been Emitted Since the...

Samhain is a pagan holiday -- celebrated between the fall equinox and winter solstice -- that helped form modern, secular Halloween celebrations. Learn about Samhain in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holid ...  Show more

After a tragic set of murders in 1974, the next residents at a grand old house in Amityville, New York, claimed the home was demonically haunted. Their story spawned a horror sensation. But was the whole thing a money-making hoax? Did the murderer really hear voices there? Learn ...  Show more

How many stars can we see in the sky? Thousands? Billions?

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On today’s episode: It’s happening… Scientists are starting to be able to read our minds! We might owe the existence of life to quasars. All that and more today on All Around Science...

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

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