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5 Long-lasting Building Materials
home.howstuffworks.com/home-improvement/construction/5-long-lasting-building-materials.htm
Construction has come a long way from the mud huts or canvas tents early man. But what materials should be used to keep that roof securely over our heads?
Types of Galaxies: Why Galaxies Come in Different Shapes
science.howstuffworks.com/why-some-galaxies-come-in-different-shapes.htm
Galaxies are complex systems held together by gravity, but the shapes of different types of galaxies are a result of gravity along with rotation speed and time.
What Exactly Is the Eye of the Sahara, aka the Richat Structure?
science.howstuffworks.com/environmental/earth/geology/eye-of-the-sahara.htm
In the western Sahara Desert lies a natural wonder that has intrigued scientists and adventurers for centuries. Known as the Richat Structure - or, more commonly, the Eye of the Sahara - this massive geological formation resembles a giant eye.
What Is Holi? Celebrating Community, Renewal and Forgiveness
people.howstuffworks.com/culture-traditions/holidays-other/what-is-holi.htm
Bursting with color, music, and joy, Holi is one of the most important festivals in the Hindu tradition. But what is Holi exactly?
Black Cats' Genes May Be FIV- Resistant
animals.howstuffworks.com/pets/black-cats.htm
When people talk about cats, there's one kind that often causes a double take: the black cat. Whether it's pacing across your path or curled up in a cozy sunbeam, black cats have a reputation that stretches back centuries.
Turnspit Dogs: The Elizabethan Kitchen Gadget Bred to Cook Meat
animals.howstuffworks.com/pets/turnspit-dogs.htm
Turnspit dogs were a distinct breed of working dogs in the late 15th-18th centuries. They had one job and it was to help roast meat over the fire.
10 Historical Words That Don't Mean What You Think
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There is more than one historical word that people use incorrectly. View 10 historical words that don't mean what you think to get informed.
Differences Between Rational and Irrational Numbers
science.howstuffworks.com/math-concepts/rational-vs-irrational-numbers.htm
Rational numbers can be expressed as the ratio of two integers, while irrational numbers, such as square roots of non-square numbers, cannot.
How Protests Work
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Protests can take many forms like boycotts and allow us to air our grievances. Learn about protests, like those behind Vietnam and Tianamen Square.
What is the difference between drywall and plaster?
home.howstuffworks.com/home-improvement/home-diy/projects/drywall-vs-plaster.htm
Two of the most common forms of interior wall materials are plaster and drywall. Find out the difference between drywall and plaster in this article.