BrainStuff

Episodes

• How Do Sunspots Work?When dark spots appear on the surface of the Sun, we're actually seeing the result of massive distortions in solar magnetic fields caused by roiling plasma -- and they appear in regular(ish) 11-year cycles. Learn what we know (and don't know!) about sunspots in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/sunspot.htm/printable See omnystudio.com/listener for privacy information.

  2729|21min
• Did the 'Lost Continent' of Lemuria Really Exist?A sunken continent called Lemuria was first proposed as a scientific explanation for lemur populations in the mid-1800s, but it quickly became part of the mythology of Theosophist mystics and Tamil cultural activists alike. Learn the truth and myths behind Lemuria (plus what Darwin had to do with it) in today's episode of BrainStuff, based on this article: https://history.howstuffworks.com/history-vs-myth/lemuria.htm See omnystudio.com/listener for privacy information.

  2728|16min
• BrainStuff Classics: How Did a Mad King Design Disney's Castle?Walt Disney based Sleeping Beauty's castle -- the centerpiece of Disneyland and the Disney logo -- on a real castle in the Bavarian Alps of Germany. Learn about Neuschwanstein Castle's strange and tragic history in this classic episode of BrainStuff, based on this article: https://history.howstuffworks.com/european-history/neuschwanstein-castle.htm See omnystudio.com/listener for privacy information.

  2727|14min
• Could the Bird Flu Cause a Human Pandemic?Since the early 2000s, the H5N1 bird flu has sickened wild and domestic birds around the world -- and sometimes humans and other mammals, too. Learn how this strain of avian influenza works (and why it seems unlikey to cause a pandemic, but researchers are still watching it closely) in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/cellular-microscopic/bird-flu.htm See omnystudio.com/listener for privacy information.

  2726|23min
• Where Do Butternut Squash Come From?Humans started domesticating edible gourds thousands of years ago, but one of today's most popular varieties has been around for less than a century. Learn about the history and science behind butternut squash (plus how big the heaviest on record was) in today's episode of BrainStuff. See omnystudio.com/listener for privacy information.

  2725|18min
• How Did the Great Stink of London Work?In London in the summer of 1858, a Great Stink settled over the city. The sewage from its growing population was baking in the streets -- and infiltrating the city's water supply. Learn how this smelly situation led to some incredible sewer engineering still in use today (plus a change in the understanding of how infection works) in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-the-great-stink-london.htm See omnystudio.com/listener for privacy information.

  2724|20min
• BrainStuff Classics: How Do Blue Whales Work?It's a good question. The blue whale is the largest known animal to ever grace the planet (they may be twice as big as Megalodon was! Their tongues are as heavy as elephants!), but they're still mysterious. Learn what science knows (and doesn't know) about blue whales in today's classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/blue-whale.htm See omnystudio.com/listener for privacy information.

  2723|16min
• Do Political TV Ads Really Change Minds?Every U.S. election cycle, political campaigns bombard American televisions with advertisements for candidate X versus Y. But can these ads really make a difference, especially with shifts in the way we watch TV? Learn when they actually work in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/do-campaign-tv-ads-change-voters-minds.htm See omnystudio.com/listener for privacy information.

  2722|28min
• How Does Myasthenia Gravis Work?What happens when your immune system attacks the point of communication between your nerves and muscles? That's an autoimmune condition called myasthenia gravis, and it leads to muscle weakness that starts around the eyes and can progress to the face, neck, and limbs. Learn about its symptoms, what causes them, and how different treatments can help relieve them in today's episode of BrainStuff. See omnystudio.com/listener for privacy information.

  2721|21min
• What Is It Like In Our Asteroid Belt?The asteroid belt between Mars and Jupiter is made up of sparse, tiny bodies of rock, ice, and metal that give us a window into our solar system's early days. Learn how Jupiter helped form the astroid belt and how asteroids might've given Earth its water (and life!) in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/asteroid-belt.htm See omnystudio.com/listener for privacy information.

  2720|20min