What Is a Cosmic Cow?

It's true that lobsters don't age, but that doesn't quite make them immortal, and it's far from the only fabulously weird thing about them. Learn about lobsters -- including why they're biologically immortal, and how that might help human health in the future -- in this episode o ...  Show more

Both of these terms are actually valid, though they have slightly different meanings, and only one of them is based in sailors' slang. Learn the history of 'jury-rigged' and 'jerry-rigged' -- and how to use them correctly -- in this episode of BrainStuff, based on this article: h ...  Show more

Take a cosmic field trip with Daniel and Jorge, as they guide you on a thought experiment into the heart of the most mysterious objects in the Universe.

What are neutron stars, pulsars and magnetars?

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

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The gargantuan black holes at the centers of galaxies seem impossibly large. How did they grow so large in the short history of our Universe?