Will There Always Be a North Star?

Your adaptive immune system remembers specific germs and fights them really effectively -- but it can sometimes make mistakes and attack your own healthy cells. Learn how the adaptive immune system works (and how it can go wrong) in this episode of BrainStuff.See omnystudio.com/l ...  Afficher plus

Slime molds are collectives of single-celled organisms that don't have neurons, much less brains, but they can move, solve mazes, and remember where food is located. Learn what we know (and don't know!) about them in this episode of BrainStuff, based on this article: https://scie ...  Afficher plus

What are neutron stars, pulsars and magnetars?

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Daniel and Jorge talk about how megaconstellations of satellites might spoil our view of the Universe. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

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

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It wasn't too long ago that humans thought the polar lights were signs from the afterlife. Thanks to a 19th century Norwegian, we now understand that they are a fascinating interplay with Earth's magnetic field and wind from the sun.