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The History of the Sandwich

recipes.howstuffworks.com/history-sandwich.htm

Are you wondering about the history of the sandwich? Learn about the history of the sandwich in this article.

Alertness in the Womb

health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fetal-development/alertness-in-the-womb.htm

A fetus's alertness in the womb may surprise you. Learn about alertness in the womb at Discovery Health.

The Dark History of Indigo, Slavery's Other Cash Crop

history.howstuffworks.com/world-history/indigo.htm

HowStuffWorks traces the history of indigo from its origins and use as a cash crop for blue dye to its replacement by synthetics in the 20th century.

Booze-makers Become Germ-busters to Help Stop COVID-19

health.howstuffworks.com/diseases-conditions/infectious/distilleries-make-hand-sanitizer.htm

As COVID-19 rages around the world, distilleries quickly ramp up the switch from booze to hand sanitizer in an all-out effort to curb the spread.

How to Add Fractions: A Step-by-Step Process

science.howstuffworks.com/math-concepts/how-to-add-fractions.htm

If you're already familiar with subtracting fractions, learning how to add fractions will be a piece of cake for you. And if you haven't learned how to subtract fractions yet, don't worry - we've got you covered!

6 Things You Didn't Know About Maya Angelou

entertainment.howstuffworks.com/arts/literature/6-things-you-didnt-know-maya-angelou.htm

Although this writer and poet wrote seven volumes of autobiography, there are still some things you may be surprised to learn.

Ultimate Guide to the Tuscany Wine Region

recipes.howstuffworks.com/food-facts/tuscany-wine-region.htm

The Tuscany wine region is among Italy's best. Learn all about the Tuscany wine region at HowStuffWorks.

How Ballpoint Pens Work

home.howstuffworks.com/pen.htm

Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.

How Good Is Your EMT Vocabulary?

play.howstuffworks.com/quiz/how-good-is-your-emt-vocabulary

BP is 120 over 80. Pulse is 68 and regular. Lungs are clear, good breath sounds, and the patient is alert. Sounds good, right? Or does it? If you know your EMT vocabulary, you'll know for sure. Take the quiz, and let's see what you can do!

How Much Do You Know About Curling?

play.howstuffworks.com/quiz/how-much-do-you-know-about-curling

Everyone knows that hockey has a place in every Canadian's heart, but curling is also loved by many. Do you consider yourself one of the sport's biggest fans? Prove it by showing us how much you know!

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