The idea behind a water softener is simple: the calcium and magnesium ions in hard water are replaced with sodium ions. Learn more about the harmful effects of hard water -- and the benefits of soft water -- in this HowStuffWorks podcast.
Apr 1
What Pranks Have Astronauts Pulled?
Since the early days of space exploration, some of NASA's greatest have pulled some great pranks. Learn about our favorites, from a smuggled sandwich to a space gorilla, in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/ridiculous-history-5-n ... Show More
8m 40s
Mar 30
How Can Your Body Learn to Tolerate Cold?
When you shiver, your fingers and toes go numb, or you get goosebumps in the cold, that's actually your body trying to keep you warm. Learn how it works -- and how you habituate to chilly temperatures over time -- in this episode of BrainStuff, based on this article: https://heal ... Show More
10m 58s
Sep 2022
Water Water Everywhere, But How Much Do You Really Need?
The water advice is everywhere - how much to drink (8 cups a day - really?), what to drink, when to drink, and all its benefits. On this episode we produced with our colleagues at Life Kit, hosts Aaron Scott and Emily Kwong take some cherished hydration beliefs and get to the rea ... Show More
19m 16s
<p>What goes into making a piece of tech waterproof? From cases to creative charging ports, we look at the challenges.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a><p>See <a href="https://om ... Show More