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.htmSee omnystudio.com/listener for privacy information.

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.htmSee omnystudio.com/listener for privacy information.

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.

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.htmSee omnystudio.com/listener for privacy information.

Light and tender fried fish plated with crisp fried potatoes is a classic English comfort meal, but it's only a little over a century old. Learn the history of fish and chips in today's classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/cultural-traditions/fish-and-chips.htmSee omnystudio.com/listener for privacy information.

Lemmings are small, fierce rodents that make their home in Arctic environments -- and (spoiler alert) the idea that they kill themselves by following each other off cliffs is a myth. Learn what Disney had to do with it (and what lemmings are really like) in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/mammals/lemmings.htmSee omnystudio.com/listener for privacy information.

Our bodies need salt and our bodies need water, so why is drinking saltwater not good for you? Learn what salt does in our bodies and why seawater will actually dehydrate you in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/science-vs-myth/what-if/what-if-you-drink-saltwater.htmSee omnystudio.com/listener for privacy information.

Tungsten's boiling point is over 10,000 degrees Fahrenheit, and as tungsten carbide, it's one of the hardest materials we know. Learn how it's used for everything from armor-piercing bullets to electron microscopes to ballpoint pens in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/tungsten.htmSee omnystudio.com/listener for privacy information.

Without the hippocampus, our brains have serious trouble recalling and recording certain types of long-term memories. Learn how this brain structure works in today's classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/systems/nervous-system/hippocampus.htmSee omnystudio.com/listener for privacy information.

In 1926, detective novelist Agatha Christie disappeared for 11 days under strange circumstances. Learn about her life and record-setting, best-selling works (second only to the Bible and Shakespeare) in today's episode of BrainStuff, based on this article: https://entertainment.howstuffworks.com/arts/literature/agatha-christies-disappearance.htmSee omnystudio.com/listener for privacy information.