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Saponification: The Science Behind Soap-Making
lifestyle.howstuffworks.com/crafts/diy-gift-guide/how-to-make-lye-soap.htm
Saponification is the chemical process by which the ingredients that make up the typical bar of soap come together. Find out for yourself with our easy lye soap recipe.
32 Mexico States: From Baja to Yucatán and Everywhere in Between
history.howstuffworks.com/north-american-history/mexico-states.htm
Mexico, officially known as the United Mexican States, has 32 distinct regions. Each state offers its own unique identity, from bustling major cities to serene coastal plains. The Mexico states are home to diverse landscapes, vibrant traditions and a rich history.
We Need to Know Why the Female Bird Sings
animals.howstuffworks.com/birds/know-why-female-bird-sings.htm
Female birds have their own song to sing. HowStuffWorks looks at the difference between male and female birdsong.
The First 'Killer Robot' Was Around Back in 1979
science.howstuffworks.com/first-killer-robot-was-around-back-in-1979.htm
With the Campaign to Stop Killer Robots heating up, we step back a few decades to look at the first human death by robot.
What Does It Take for a Product to Be Labeled 'Made in the USA'?
people.howstuffworks.com/what-does-it-take-product-labeled-made-the-usa.htm
The rules governing what country goes on a product's "made in" label in the U.S. are complex. Learn more at HowStuffWorks.
Blind People Don't Always Have the Same Facial Expressions as Sighted People
health.howstuffworks.com/mental-health/human-nature/blind-people-facial-expressions-sighted.htm
How do the expressions of blind people differ from the sighted? Learn more about blind facial expressions from HowStuffWorks.
Ridiculous History: When Scientists Hid Under Beds to Do Research
Experimental protocol has changed since the 1930s when two researchers hid under the beds of college students to eavesdrop on their conversations.
Why Some Fans Fall to Their Deaths in America's Sports Arenas
entertainment.howstuffworks.com/fans-fall-deaths-sports-arenas.htm
Why do fans fall to their deaths in sports arenas? Learn why fans fall to their deaths at HowStuffWorks Now.
There's No Such Thing as a 'Learning Style'
people.howstuffworks.com/learning-style-education-myth.htm
The myth of distinct styles of learning persists. Why? Learn more about learning preferences in this HowStuffWorks Now article.
'Fire Rainbows' and 'Sun Dogs': Weird Weather in the Smartphone Age
Smartphone cameras enable us to take striking pictures of strange atmospheric phenomena-though we don't always know what we're seeing.