What is the ozone layer?

Question and Response #76 You asked… so we answered. What do carbon chains have to do with Greek words? How do MRIs make “3D pixels”? Is that pool smell actually chlorine? And wait… are birds blue, or is that just a trick of the light? This episode is a rapid-fire round of your q ... Show More

#235 You’ve seen it a hundred times… but how does it actually work? Why do diapers change color when they’re wet? What kind of chemistry is happening in there? And how does something as simple as pee trigger such a dramatic color shift? Let’s talk acids, bases, color, and one sur ... Show More

#042 What's that smell? Is it us? Is it you? We hope it's neither, thanks to deodorants and antiperspirants. This week, Melissa and Jam delve into the chemistry of this everyday important substance. What are the differences between deodorant and antiperspirant? How do they work i ... Show More

This week Fergus, Carys and Joe discuss oxygen, the third most abundant element in the universe by mass. Listen to find out about oxygen bars, fire and the ozone layer! Plus a look at science "In The News", the return of "Science Fact or Science Fiction?" and a new game called "S ... Show More

<p class="" data-pm-slice="0 0 []">Why is it so hard to get a picture of the Milky Way? How much of our galaxy have we mapped? What the heck is a "barred spiral" and what does that have to do with our core? I discuss these questions and more in today's Ask a Spaceman!</p> <p clas ... Show More

Today it’s great to chat with Lori Gottlieb and Guy Winch on the podcast. Lori Gottlieb is a psychotherapist and New York Times bestselling author of Maybe You Should Talk to Someone, which has sold over a million copies and is currently being adapted as a television series. In a ... Show More

Do we see black hole mergers as a result of galaxy mergers? What did the night sky look like to the dinosaurs? Is a gas giant just a rocky planet with a huge and dense atmosphere? Do all orbits eventually end up in resonance? The Supermassive Team is back with the first bonus epi ... Show More

<p>What is depression? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly break down the neuroscience behind major depression, its treatments, and the factors that contribute to this pervasive condition with neuroscientist Heather Berlin, PhD.</p><p>NOTE: StarTalk+ Pat ... Show More

<p>Join Jame, Callum and Pals for a discussion on some highlights from FIS 2023: <a href='https://microbiologysociety.org/event/full-events-listing/federation-of-infection-societies-fis-conference.html'>https://microbiologysociety.org/event/full-events-listing/federation-of-infec ... Show More

Are you ready to uncover the mind-bending secrets of our universe? Join us as we reveal the unexpected truth about the formation of habitable planets and the potential for multiple habitable worlds within a single solar system. You won't believe how many habitable planets could e ... Show More

<p>This episode begins with a rant. This rant, in particular, comes from Dan Engber - a science writer who loves animals but despises animal intelligence research. Dan told us that so much of the way we study animals involves tests that we think show a human is smart ... not the ... Show More

<p>La recherche d'une vie en dehors de la Terre occupe les scientifiques du monde entier mais enflamme aussi l'imagination de nos contemporains. Pour encadrer cette quête avec une plus grande rigueur, la NASA a mis au point ce qu'elle appelle une échelle de "confiance".</p><br><p ... Show More