Search Results | Water
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Does Bottled Water Go Bad?
science.howstuffworks.com/environmental/green-science/bottled-water-go-bad.htm
You may have seen an expiration date on your bottle of water, but why? Can a natural substance like water really go bad?
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
Anatomy of an Underwater Explosion
science.howstuffworks.com/explosion-land-water1.htm
An underwater explosion or UNDEX won't absorb the destruction like air does. Learn why an underwater explosion could harm you more than one on land.
How has NASA helped improve our air and water?
science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-air-and-water.htm
How has NASA helped improve our air and water? Visit HowStuffWorks to see how NASA has helped improve our air and water.
Why Didn't Evolution Give Us the Ability to Smell Fresh Water?
science.howstuffworks.com/life/evolution/humans-smell-fresh-water-evolution.htm
You'd think being able to smell drinkable water would be an evolutionary advantage. But we can only smell things that suggest potable water. Why is that?
Skunk Water: A Weapon That Uses Stench to Control Crowds
science.howstuffworks.com/skunk-water-weapon-control-crowds.htm
Developed in Israel, this foul-smelling liquid has been used on Palestinian and Israeli protesters … and it's showing up in the United States.
What If Everyone on Earth Had Easy Access to Clean Water?
science.howstuffworks.com/science-vs-myth/what-if/what-if-access-to-clean-water.htm
Would a world with ample water for all mean less disease? Fewer wars? Globally improved health and finances? Sip along with us as we wonder what if.
World War II Relics Still Haunt Pacific Waters
science.howstuffworks.com/environmental/earth/geology/world-war-ii-relics-pacific-waters.htm
Decades after the massive conflict, reminders of battles linger in pristine Pacific waters.
5 Ways to Teach Your Kids About Water Conservation
Water conservation is an important step in ensuring that we'll have clean water in the future. How can you teach your kids about water conservation?
10 Times It Has Rained Something Other Than Water
Frogs! Fish! Birds! A surprising number of things have rained down from the sky besides water. But how?