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How can you wash and dry clothes with steam?
You can wash and dry clothes with steam, removing allergens and nasty smells. Learn more washing and drying clothes with steam and its benefits.
Gemstone Identification Quiz
play.howstuffworks.com/quiz/gemstone-identification-quiz
Gemstones can tell us so much about ourselves. But what will your knowledge of them say about you? Test it right here, with this quiz.
From Liquid to Solid: How Long Does It Take Water to Freeze?
science.howstuffworks.com/make-instant-ice.htm
It isn't magic but instead science that causes the bottled water to completely freeze - and some pretty simple science at that. So, how long does it take water to freeze?
The Scutoid: How We Discover New Shapes
science.howstuffworks.com/math-concepts/scutoid-discover-new-shapes.htm
Spanish researchers recently uncovered a new geometric shape that allows human tissue to curve. But how?
How Gold Works
science.howstuffworks.com/gold.htm
We love it. We wear it glittering around our necks and sparkling at our ears, wrists and feet. We pass it down to our children and hoard it in secret stashes. Why is this precious metal so prized?
Sliced, diced or whole tomatoes - which should you use when?
recipes.howstuffworks.com/sliced-diced-or-whole-tomatoes.htm
Sliced, diced or whole tomatoes - which should you use and when? Learn how to use different kinds of tomatoes and why you should.
What Is the Associative Property of Mathematics?
science.howstuffworks.com/math-concepts/associative-property.htm
When pursuing an education in mathematics and algebra, one of the earliest and most important concepts to understand is the associative property, also known as the associative law.
Alkali Metals: Elements in the First Column of the Periodic Table
science.howstuffworks.com/alkali-metals.htm
Although the term might be unfamiliar, you know all about alkali metals. Ever used salt or eaten a banana? So, what special properties do these elements have?
40 Amazing Uses for Aloe Vera
health.howstuffworks.com/wellness/natural-medicine/herbal-remedies/amazing-aloe-vera.htm
If you've only used aloe vera gel to soothe a sunburn, you're missing a lot. Behold one of the most multitasking plants on the planet.
How much corn would I need to fuel a cross-country trip with ethanol?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/question707.htm
I've heard that it's possible to build a car engine to run off of ethanol, a byproduct of corn. How much corn would I need to grow in order to produce enough ethanol fuel to drive my car across the country?