What's the cosmic gravitational background?

Daniel and Kelly talk about the challenges of hot fusion and the frustrated potential of cold fusion. And Keanu Reeves.See omnystudio.com/listener for privacy information. 

Daniel and Kelly answer questions about the expanding universe, how sleep aids impact sleep quality, and what characteristics might make aliens better adapted for interstellar travel.See omnystudio.com/listener for privacy information. 

In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits.

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What's so great a bout a spin kick? Find out in this batch of Stuff to Blow Your Mind listener mail. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Once more, it's time for a weekly dose of Stuff to Blow Your Mind and Weirdhouse Cinema listener mail... Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

As far as weight goes, Earth is a pretty hefty celestial body. But exactly how heavy? And how does one measure something so massive? Find out in this podcast from HowStuffWorks.com.