Are there particles that don't have anti-part...

Daniel, Kelly, and Katrine discuss what happens during menopause, why evolutionary biologists think menopause occurs, and our current knowledge of the risks of hormone therapy.See omnystudio.com/listener for privacy information. 

Daniel and Kelly dive into the hearts of blue giants, massive planets, and neutron stars to reveal a surprising limit on cosmic density.See omnystudio.com/listener for privacy information. 

Join Robert and Joe as they continue their discussion on numeracy and the origins of numerals on Stuff to Blow Your Mind. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Once more, Robert Lamb and Joe McCormick consult recent offerings of listener mail for your thoughts on artificial intelligence, demonic flatulence and more.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy informati ...  Show more

After our sun dies, it and many other stars will eventually crystallize. Learn how astrophysicists figured this out -- and how it works -- in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for pri ...  Show more

Like most things in the universe, stars begin as particles floating around in massive clouds of dust and gas. But what forces these particles to coalesce and form a star? Tune in and learn more about the birth of stars in this podcast.