• 21 minutes 44 seconds
    What is puberty?

    We’re making a special eight episode show called Brains On Universe Presents Puberty (The Podcast). You can subscribe wherever you listen to podcasts. Over the next few weeks we’re going to play some excerpts from the series for you here.

    These samples cover stuff like how hormones help us grow, how they change our skin - think zits – and how they affect our moods. We picked topics that should be appropriate for everyone interested in how bodies grow.

    In the Puberty podcast feed, we’ll dive deeper into each topic. And answer your questions, with help from super smart experts.

    Want to support the show? Join ⁠⁠⁠⁠Smarty Pass⁠⁠⁠⁠ to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets ⁠⁠⁠⁠head to our events page⁠⁠⁠⁠. More shows announced soon!

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    June 6 - Michigan Theater, Ann Arbor, MI

    June 20 - Southern Theater, Columbus, OH

    June 21 - Turner Hall Ballroom, Milwaukee, WI


    Click here for a transcript of this episode.


    12 May 2026, 7:30 am
  • 31 minutes 15 seconds
    Why don’t we feel the Earth spinning?

    If you were on a merry-go-round that was spinning super fast, you’d feel it. But the Earth is always spinning and we don’t feel a thing. Why is that? Join Molly and Reean as they explore the science of spin. Plus we find out how liquid sloshing around in our ears can make us feel dizzy. And speaking of ears, get yours ready for an all new Mystery Sound.

    Want to support the show? Join ⁠⁠⁠Smarty Pass⁠⁠⁠ to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets ⁠⁠⁠head to our events page⁠⁠⁠. More shows announced soon!

    May 9 - Liberty Hall, Kansas City, KS

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    June 6 - Michigan Theater, Ann Arbor, MI

    June 20 - Southern Theater, Columbus, OH

    June 21 - Turner Hall Ballroom, Milwaukee, WI


    Click here for a transcript of this episode.




    5 May 2026, 7:30 am
  • 1 minute 35 seconds
    Introducing...Brains On Universe Presents: Puberty! (The podcast)

    We're making a new limited series to tackle a topic that lots of our listeners are curious about. Puberty!

    It’s a lot. There are the awkward conversations and the questions we’re too nervous to ask and the sometimes uncomfortable experience of living in a body that’s changing fast (and publicly!).

    This podcast is here to help. Hosted by Molly Bloom, of the award-winning science podcast Brains On, and co-hosted by high schoolers who've just been through it, Puberty! (The podcast) is for everybody — and every body.

    Designed for kids 7-12, the show will cover everything from brain chemicals to consent, in a straight-forward and digestible package. This is a safe space for young people to understand their bodies and their brains, and it’s a resource for parents to tackle otherwise difficult topics.

    Experts, including Dr. Cara Natterson (Less Awkward), Chris Pepper (Talk to Your Boys), Nora Gelperin (Advocates for Youth), and Erin Walsh (Spark & Stitch Institute), provide science-filled explanations and answer listener questions.

    Search for Brains On Universe Presents: Puberty! (The podcast) wherever you listen!

    4 May 2026, 4:19 pm
  • 34 minutes 10 seconds
    How does soap work?

    We wash our hands all the time, but do you ever wonder why? It turns out that soap is super good at attaching to dirt and germs and carrying that gunk off skin. Join Molly and co-hosts Hope and Heaven as they zoom in on soap to see how this sudsy stuff cleans so well. Plus we’ll learn how soap was likely invented and meet some pioneers who helped prove that washing hands keeps us healthy. Oh, and everyone’s favorite viral podcasters, Kara and Gilly, are back! Plus a new Mystery Sound.


    Want to support the show? Join ⁠⁠Smarty Pass⁠⁠ to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets ⁠⁠head to our events page⁠⁠. More shows announced soon!

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    June 6 - Michigan Theater, Ann Arbor, MI

    June 20 - Southern Theater, Columbus, OH

    June 21 - Turner Hall Ballroom, Milwaukee, WI


    Click here for a transcript of this episode.

    28 April 2026, 7:30 am
  • 32 minutes 7 seconds
    How to build a house on the moon

    Humans have visited the moon but we’ve never lived there. Could we build a home on our lunar neighbor? Join Molly and co-host Ira as they find out why the moon can be a dangerous place, and what it would take to live there. We’ll imagine a visit to a lunar hotel, hear about all the stuff humans have left up there and even hear a song sung by the Moon herself!

    Featured Expert: Phil Plait, astronomer, journalist and author of several books, including, Under Alien Skies: A Sightseer’s Guide to the Universe, which uses science and imagination to paint a picture of what it would be like to vacation on the moon.
    Resources:Learn more about NASA’s Artemis program which aims to bring humans back to the moon.

    Want to support the show? Join ⁠Smarty Pass⁠ to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets ⁠head to our events page⁠. More shows announced soon!

    April 25 - Marines Memorial, San Francisco, CA (2nd show added!)

    April 26 - Newmark Theater, Portland, OR

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    June 6 - Michigan Theater, Ann Arbor, MI

    June 20 - Southern Theater, Columbus, OH

    June 21 - Turner Hall Ballroom, Milwaukee, WI

    21 April 2026, 7:30 am
  • 28 minutes 10 seconds
    More sport science: Bats and black eyes

    Sports and science go hand in hand, especially when it comes to softball and baseball. Join Molly and co-host Caris as they answer more of your questions about these two ballgames. Like why are bats measured in ounces? Or why do some players wear black paint under their eyes? Plus, we’ll hear more of your chants and guess an all new Mystery Sound.

    Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!

    April 25 - Marines Memorial, San Francisco, CA (2nd show added!)

    April 26 - Newmark Theater, Portland, OR

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    June 6 - Michigan Theater, Ann Arbor, MI

    June 20 - Southern Theater, Columbus, OH

    June 21 - Turner Hall Ballroom, Milwaukee, WI

    Click here for a transcript of this episode.

    14 April 2026, 7:30 am
  • 29 minutes 57 seconds
    Sport science: softballs, baseballs, and curve balls

    Baseball and softball are both a feat of physics, from the curve of a pitch to the swing of a bat. Today, we’re exploring the science of these popular pastimes. Join Molly and co-host Kian as they learn about curve balls and the stuff inside a ball. Plus, our listeners share their chants for Team Science! Oh, and what’s that noise? It’s a brand new mystery sound. Play ball!

    Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!

    April 11 - Walker Theater, Chattanooga, TN

    April 12 - Carolina Theater, Durham, NC

    April 25 - Marines Memorial, San Francisco, CA (2nd show added!)

    April 26 - Newmark Theater, Portland, OR

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    Click here for an episode transcript

    See omnystudio.com/listener for privacy information.

    7 April 2026, 7:30 am
  • 29 minutes 17 seconds
    Is there such a thing as a blue raspberry? And why are raspberries hairy?

    Ever look closely at a raspberry and notice it could use a shave? Those tiny hairs are actually super important. And thankfully totally edible. Join Molly and co-host Zoe-Samarah as they learn all about this fantastic little fruit, and why some raspberry flavored foods are actually colored blue. All that and a Mystery Sound that’ll feel like a snack for the ears!

    Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!

    April 11 - Walker Theater, Chattanooga, TN

    April 12 - Carolina Theater, Durham, NC

    April 25 - Marines Memorial, San Francisco, CA (2nd show added!)

    April 26 - Newmark Theater, Portland, OR

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    Click here for an episode transcript

    See omnystudio.com/listener for privacy information.

    31 March 2026, 7:30 am
  • 29 minutes 57 seconds
    Hoax Hunters: What is the Bermuda Triangle

    Have you heard of the Bermuda Triangle? It’s an area of the Atlantic Ocean that some people think can make ships and planes mysteriously disappear. In this episode, Marc and Sanden, aka the Hoax Hunters, investigate this weird and wild patch of water. Turns out the Triangle isn’t as unusual as it seems. Plus, Molly tries to stump the Hoax Hunters with a new mystery sound.

    Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!

    March 28 - Center Stage, Atlanta, GA

    March 29 - Amaturo Theater, Fort Lauderdale, FL

    April 11 - Walker Theater, Chattanooga, TN

    April 12 - Carolina Theater, Durham, NC

    April 25 - Marines Memorial, San Francisco, CA (2nd show added!)

    April 26 - Newmark Theater, Portland, OR

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON (2nd show added!)

    Click here for an episode transcript

    See omnystudio.com/listener for privacy information.

    24 March 2026, 7:30 am
  • 27 minutes 6 seconds
    How do flowers get their smells?

    Flowers are famous for their smells. Most are sweet, but a few are downright stinky. Either way, the science of how and why they make these scents is fascinating. Join Molly and co-host Isla as they learn about pollinators, flower smells and the mighty corpse flower! Plus a smell for your ears: the Mystery Sound!

    Guest: Dr Kelsey Byers, evolutionary chemical ecologist and group leader at the John Innes Center.

    Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!

    Want to see Brains On live?!? We are probably coming to a city near you. For a complete list of shows and links to tickets head to our events page. More shows announced soon!

    March 7 - Turner Hall Ballroom, Milwaukee, WI

    March 8 - Fitzgerald Theater, St. Paul, MN

    March 28 - Center Stage, Atlanta, GA

    March 29 - Amaturo Theater, Fort Lauderdale, FL

    April 11 - Walker Theater, Chattanooga, TN

    April 12 - Carolina Theater, Durham, NC

    April 25 - Marines Memorial, San Francisco, CA

    April 26 - Newmark Theater, Portland, OR

    May 30 - Electric City, Buffalo, NY

    May 31 - Royal Theatre, Toronto, ON

    Click here for an episode transcript

    See omnystudio.com/listener for privacy information.

    17 March 2026, 7:30 am
  • 36 minutes 46 seconds
    It's time for the....Mystery Sound Extravaganza!

    What's better than a mystery sound? How about 11 mystery sounds! We have mystery sounds from listeners all over the world to share with you, plus two from scientists. And our co-host Juniper will try to stump Molly with a mystery sound of her own!

    Click here to read a transcript of this episode.

    Want to support the show? Join Smarty Pass to listen to ad-free episodes or donate!

    See omnystudio.com/listener for privacy information.

    10 March 2026, 7:30 am
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