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10 Scientific Questions We Can't Answer Yet
science.howstuffworks.com/innovation/scientific-experiments/10-questions-science-cant-answer-yet.htm
Science is forever uncovering the mysteries of our universe, but some questions remain elusive. What topics have us still scratching our heads?
What Did Isaac Newton Discover? 10 of Sir Isaac Newton's Inventions
science.howstuffworks.com/innovation/famous-inventors/5-isaac-newton-inventions.htm
Almost 300 years after his death, Sir Isaac Newton remains one of the most influential thinkers in history. What are some of his most enduring inventions?
How Flintlock Guns Work
science.howstuffworks.com/flintlock.htm
Flintlock guns were extremely important weapons in the American Revolution; they also formed the foundation of all modern guns. Learn about the gun that started it all.
How are Crayons and markers made?
science.howstuffworks.com/innovation/science-questions/question563.htm
Crayola crayons have nurtured childhood creativity and remained safely edible for over 100 years. Now learn their story- how they originated in the 19th century, how they've changed, and we'll even tell you how old that familiar label is.
What are the different cavity classifications?
health.howstuffworks.com/wellness/oral-care/problems/cavity-classifications.htm
There are different cavity classifications designed to tell dentists how serious your cavity is. Learn about the different cavity classifications here.
How Chopsticks Became the Staple Utensil of Asia
recipes.howstuffworks.com/chopsticks.htm
Chopsticks have been in use since 1200 B.C.E. And today 20 percent of the world's population use the utensil. HowStuffWorks looks at its history.
How Tooth-in-eye Surgery Works
health.howstuffworks.com/medicine/surgeries-procedures/tooth-in-eye-surgery.htm
It's possible to restore vision -- with a tooth. Find out about tooth-in-eye surgery at HowStuffWorks.
Weaving the Story of Kente Cloth, a Historic West African Fabric
people.howstuffworks.com/culture-traditions/cultural-traditions/kente-cloth.htm
Recognized by its bright colors and rows of bold, woven patterns, kente cloth is more than a piece of fabric. Each kente cloth has meaning, which is conveyed through its colors, patterns and symbols.
How Atom Smashers Work
science.howstuffworks.com/atom-smasher.htm
Atom smashers are used to help us discover what matter is made of. Learn about atom smashers and find out how an atom smasher works.
Could a gamma-ray burst wipe out all life on Earth?
science.howstuffworks.com/gamma-ray-burst-life-earth.htm
When a huge star collapses, it releases massive amounts of radiation in concentrated streams. If one of those streams hit Earth, it wouldn't be pretty. But where should we put "gamma-ray bursts" on our list of anxieties?