How Much Starlight Has Been Emitted Since the...

These marine invertebrates can solve puzzles, use tools, and camouflage themselves by changing their very skin -- yet they live only three to five years, and die after mating. Learn more about octopuses in today's episode of BrainStuff, based on these articles: https://animals.ho ...  Show more

Iron processing is a benchmark of civilization for good reason -- this metal makes a lot of technology possible. Learn about the history and science of refining iron and steel in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/iron.htmSee o ...  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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Can you see the light of the stars from the bottom of a well? Did an astrologer once fall into a well because he was staring up at the stars? In this episode of Stuff to Blow Your Mind, Robert and Joe discuss a couple of well-and-cosmos-related tales from antiquity.See omnystudio ...  Show more