BrainStuff

Latest Episodes:

Why Is the Bradford Pear Tree Bad – Even Beyond the Smell? Feb 01, 2024

Show notes

Though beautiful, Bradford pear trees are invasive in the U.S., use up precious water, are brittle -- and smell decidedly funky. Learn more in this episode of BrainStuff, based on this article: https://home.howstuffworks.com/whats-that-smell-dreaded-bradford-pear.htm

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How Does Burns Night Work? Jan 25, 2024

Show notes

To celebrate the anniversary of poet Robert Burns' birth on January 25, 1759, Scottish people all over the world observe Burns Night each year. Learn about the verse, the bagpipes, and of course the haggis in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holidays-other/get-out-haggis-its-burns-night.htm

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How Do White Dwarf Stars Shred Planets? Jan 24, 2024

Show notes

White dwarfs have almost all the mass of a normal star squished into a ball the size of our Earth -- and that comes with a lot of gravitational power. Learn how they can tear planets to shreds in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/white-dwarfs-shred-planets.htm

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How Do Axolotls Work? Jan 23, 2024

Show notes

These adorable aquatic salamanders are voracious hunters -- and have myth-like powers of regeneration. Learn more about the axolotl in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/endangered-species/axolotl.htm

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BrainStuff Classics: Why Are Stop Signs Red? Jan 22, 2024

Show notes

Stop signs were always the red octagons we know today -- so how was the color chosen, and why has it stuck? Learn about the history and psychology of red traffic signals in this classic episode of BrainStuff.

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BrainStuff Classics: Why Do We Test Middle Schoolers' Fitness? Jan 21, 2024

Show notes

From the outdated Presidential Fitness Test to today's FITNESSGRAM, Americans have been giving standardized fitness tests to middle school kids for decades. Learn the past and present of these exams in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/diet-fitness/exercise/could-pass-kids-middle-school-fitness-test.htm

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Are Burner Phones Really Anonymous? Jan 20, 2024

Show notes

Buying a cheap phone containing prepaid minutes and texts with cash can help you preserve anonymity in some ways, but companies and governments still have ways of listening in. Learn more in this episode of BrainStuff, based on this article: https://electronics.howstuffworks.com/burner-phones.htm

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When Did Scientists Hide Under Beds to Do Research? Jan 19, 2024

Show notes

In the early 1900s, psychologists went to great lengths to study their subjects without letting them know they were being watched. Learn more about their research (and about how ethical standards would prevent it from happening today) in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-when-scientists-hid-beds-do-research.htm

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How Can Bacteria Change the World? Jan 18, 2024

Show notes

Bacteria may be tiny, but we can harness them to create food and medicine, to detect landmines and make blood safe for transfusions. Learn what we're still learning about how bacteria shape us and our world in this episode of BrainStuff, based on these articles: https://science.howstuffworks.com/life/cellular-microscopic/bacteria-communication.htm
https://science.howstuffworks.com/life/cellular-microscopic/10-weirdest-sources-antibiotics.htm
https://science.howstuffworks.com/life/cellular-microscopic/scientists-call-for-global-germ-bank.htm
https://science.howstuffworks.com/life/cellular-microscopic/universal-blood-type.htm
https://science.howstuffworks.com/bacteria-lasers-landmine-detection.htm

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What Animals Reshape Earth's Waterways? Jan 17, 2024

Show notes

Eco engineers are animals that vastly change the ecosystems they live in when they create their preferred habitats. Learn about a few, from hippos to tiny crabs, in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/5-animals-that-can-reshape-waterways.htm

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