ELI5 Hard Water - is it a good or bad thing?
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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.
Why is unsalted water called freshwater? How long would it take to drink a swimming pool? How do I gently reject a fish? What size are we on the scale of the universe? Can I eat misdelivered food? How do I break spaghetti? Hank and John Green have answers! If you ...
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 ...