BrainStuff

If you've seen rippling patterns in the blades of knives or swords, that's Damascus steel. Learn its history and how it's made today in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Flightless birds that live in brutal Antarctic temperatures and partner up for life -- penguins are cool (pun absolutely intended). Learn more about them in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For decades, the Arecibo Radio Telescope has let us investigate parts of our universe near and far. Learn its history -- and why it had to be shut down -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Many local governments pass out stickers to the voters who cast a ballot on election day. It might seem silly, but those stickers have a real effect. Learn about the psychology behind 'I Voted!' stickers in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Graham crackers are a sweetened, mass-produced baked good today, but they started out as a homemade, ascetic-diet food. Learn about Sylvester Graham and the history of his crackers in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Body odor happens when bacteria thrive in our sweat, so the ways your clothes deal with sweat can make a difference. Learn more in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

To draw attention to the average citizen's carbon footprint, a team of researchers calculated the eco-rating of a number of superheroes. Learn how they rank in this classic episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A farm in South Carolina ensured the health and welfare of the monkeys that were instrumental in the development of polio vaccines. Learn the history of Okatie Farms in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Auld Lang Syne' is the most popular New Year's Eve song in the English-speaking world, but not all of its lyrics (including that title) are in English. Learn about the history and meaning of this song in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

🤔 Is Dr. Anthony Fauci a cat or a dog person? 📰 What’s happening with the Covid vaccine? 👨‍⚕️ When will kids be able to get the vaccine? 🧪 And when does the nation’s top infectious disease expert, Anthony Fauci, think it might be ok to have sleepovers again? Plus, see if you can guess the answer to the Trivia Question of the Day: Way before he became a leading infectious disease expert, Dr. Fauci was a leader in school. Which teams was he captain of in high school?👨‍⚕️ Uncover everything there is to know about Dr. Anthony Fauci!🤔 Learn the best ways to protect yourself & others from COVID-19👩🏾‍🔬 Brush up on your knowledge of the coronavirus and watch this informative video to learn more✏️Get some helpful tips on how to talk about Covid with your kids Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.