BrainStuff

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.htmSee omnystudio.com/listener for privacy information.

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.See omnystudio.com/listener for privacy information.

From the outdated Presidential Fitness Test to today's FITNESSGRAM, Americans have been giving standardized fitness tests to middle school kids for decades.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.htmSee omnystudio.com/listener for privacy information.

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.htmSee omnystudio.com/listener for privacy information.

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.htmSee omnystudio.com/listener for privacy information.

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.htmhttps://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 See omnystudio.com/listener for privacy information.

Animals that reshape waterways are discussed, including alligators, beavers, and burrowing crabs. The podcast also includes ads from Bank of America and Planet Fitness, as well as podcast recommendations.

Neanderthals were more like us than we previously thought, but could they laugh? Learn why researchers think they could in this classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolution/yes-neanderthals-could-laugh.htmSee omnystudio.com/listener for privacy information.

This podcast episode explores the complexities of nutrition, the process of removing fat from fat-free foods, and the difficulties in maintaining flavor and texture. It discusses the use of additives, fat substitutes, and the importance of reading nutrition labels.

The kilogram used to be measured against an agreed-upon chunk of metal stored in France, but no longer. Learn the new measure of this standard unit of measurement in today's classic episode of BrainStuff, based on this article: https://science.howstuffworks.com/math-concepts/kilogram-is-dead-meet-kilogram-20.htmSee omnystudio.com/listener for privacy information.