Many people store water for emergencies -- but is it true that water sitting for too long will go bad? Listen in as Marshall Brain breaks down the science of water purification in this HowStuffWorks podcast.
Sep 14
How Is Tungsten So Hard and Heat-Resistant?
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 ... Show More
9m 20s
Jul 2017
What Does the Future of Water Look Like?
<p>Americans get an incredible deal on tap water. For just $.03, you can draw 10 gallons of drinkable, bathable, flushable liquid easily from your faucet. But is there a water crisis on the horizon? (Spoiler: yes.) And can a whole slate of incredible inventions save the world? (S ... Show More
38m 14s
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