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Why Does the U.S. Use Fahrenheit Instead of Celsius?

science.howstuffworks.com/nature/climate-weather/atmospheric/us-use-fahrenheit.htm

While most of the rest of the world has switched to Celsius, the U.S. continues to use the Fahrenheit temperature scale, apparently out of simple inertia.

How Iron and Steel Work

science.howstuffworks.com/iron.htm

The refining of iron ore is one of the most historically significant achievements of all time. Find out how iron gets turned into steel and what it's used for.

10 Ways That Doctors Treated Infections Before Antibiotics

health.howstuffworks.com/diseases-conditions/infectious/10-ways-that-doctors-treated-infections-before-antibiotics.htm

Scientists are now taking a second look at treatments that were popular before the discovery of antibiotics. Learn all about them at HowStuffWorks.

Can You Pass This Mexican History Quiz?

play.howstuffworks.com/quiz/can-you-pass-this-mexican-history-quiz

Mexico is a colorful nation with a complicated and violent history. The region has seen the rise and fall of empires and political dynasties spanning centuries. What do you really know about Mexican history?

How War Dogs Work

science.howstuffworks.com/war-dog.htm

Was a dog really the first to encounter bin Laden? We may never know, but we do know that man's best friend has been serving in wars for centuries, getting soldiers smokes, sniffing out bombs and patrolling borders. Why do canines make such good soldiers?

Can You Identify These Moon Glyphs?

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Magical. Mystical. Mysterious. Moon glyphs! These seemingly simple symbols are more than meets the eyes. With only dots and lines, they can tell a story that spans time and space. But how many can you ID? Take the quiz and see!

How the Living Earth Simulator Will Work

science.howstuffworks.com/environmental/earth/geophysics/living-earth-simulator.htm

You may have noticed that our planet isn't terribly predictable. Could a German polymath and an unfathomable pile of data change that?

How the Enlightenment Worked

history.howstuffworks.com/historical-events/enlightenment.htm

The Enlightenment was a period of major intellectual change. Read about the Age of Enlightenment and the Enlightenment thinkers' impact on history.

How Far Is Russia From Alaska?

science.howstuffworks.com/environmental/earth/geophysics/how-far-is-russia-from-alaska.htm

Sarah Palin never really said she could see Russia from her house. But how far is Russia from Alaska anyway? And can you see one country from the other?

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