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Your search for "the blue marble" returned 62 results
How the Big Crunch Theory Works
science.howstuffworks.com/dictionary/astronomy-terms/big-crunch.htm
In the big crunch theory, the universe will stop expanding and start shrinking. Read about the big crunch and what it means for you and the universe.
How Does a Hippo Make Its Own Sunscreen?
animals.howstuffworks.com/mammals/hippo-sunscreen.htm
Hippo sunscreen is actually the thick sweat that hippos produce to protect their skin from the sun. Learn why red hippo sunscreen is such powerful stuff.
Can You Name All 40 of These Flowers?
play.howstuffworks.com/quiz/can-name-40-flowers
How well do you know the flowers of the world? If you were given images of 40 of these plants, would you be able to guess what they are? Take this quiz to find out!
Can manatees see underwater?
animals.howstuffworks.com/mammals/manatees-see-underwater.htm
Manatees see poorly underwater, with the aid of two very small eyeballs. Learn how manatees see underwater and navigate with such poor vision.
What's the difference between stalactites and stalagmites?
science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm
Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.
Can You Identify These Crystals and Gemstones?
play.howstuffworks.com/quiz/can-you-identify-these-crystals-and-gemstones
Crystals and gemstones are majestic things found in nature. Of course, they can be grown outside nature, but the most beautiful, rare and valuable ones come right from the earth. Think you can identify all of them? Take our quiz to find out which ones you can identify!
How to Get Detergent Stains Out of Clothes
home.howstuffworks.com/how-to-remove-soap-spots.htm
Soap is supposed to be a cleaning agent, but if you get it on the wrong surface it can quickly become a staining agent. Follow these stain removal tips to clean up soap spots.
How Google Earth Works
computer.howstuffworks.com/internet/basics/google-earth.htm
Google Earth is a popular online mapping program that is free to download. Find out how Google Earth works and learn about Google Earth's basic functions.
What's the most expensive toilet in the world?
home.howstuffworks.com/most-expensive-toilet-in-world.htm
The most expensive toilet in the world is made of solid gold and can be found in Hong Kong. Read about the world's most expensive toilet.
How to Remove Liquor Stains
home.howstuffworks.com/how-to-remove-liquor-stains.htm
Liquor stains show your party was a success. But they also mean an unsightly mess for you to take care of. Learn easy stain removal tips to remove liquor stains.