What Is a Cosmic Cow?

This isn't just the least-fun thought experiment, it's a medical malady common enough to have its own name. Learn how internal hirudiniasis works (and why you don't need to panic if if happens to you) in this episode of BrainStuff, based on this article: https://animals.howstuffw ...  Show more

We know rhubarb as a tart fruit that looks like pink celery, but it also has a bulbous underground storage unit that was used medicinally for millennia -- and lets it grow in complete darkness. Learn about the pie plant (and how rhizomes work) in this episode of BrainStuff, based ...  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?