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5 Polar Expeditions That Went Disastrously Wrong

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Hundreds of explorers tried to locate the Northwest Passage. Many of those attempts ended badly. HowStuffWorks looks at five.

Gender-specific Bathrooms Are a Relatively Recent Invention

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What's the history of gender-specific bathrooms? Learn more in this HowStuffWorks Now article.

How a Teenage Sacagawea Guided the Lewis and Clark Expedition Into Immortality

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Sacagawea, at around 16 or 17, guided the Lewis and Clark expedition thousands of miles from North Dakota to the Pacific Ocean, and became a legend.

Stretch Marks

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Stretch makes are a common beauty skin problem. Learn about how stretch marks work at HowStuffWorks.

Flax Seed: What You Need to Know

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Flax seed can be used to treat many ailments and illnesses. Learn all about flax seed and other alternative medicines at HowStuffWorks.

Human-caused CO2 Emissions Could Decrease Grain Protein, Risking Health of Millions

health.howstuffworks.com/wellness/carbon-dioxide-co2-grain-protein-deficiency.htm

How would human-caused carbon dioxide emissions affect the world's grains? Learn about a risk of nutrition deficiency in this HowStuffWorks article.

The Ultimate Happiness Quiz

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This Ultimate Happiness Quiz will test your knowledge of about this desired emotion. Check out the Happiness Quiz to get tips and learn more.

Hardy Water Lily

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Hardy water lily is a popular design centerpiece for many water gardens. Learn how to grow and use hardy water lily at HowStuffWorks.

How Many Butts in a Buttload?

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If you've ever expressed the charming idea that you have a buttload of something, you may have wondered what the measure of a buttload actually is and where the phrase came from.

How Can You Tell if a Chicken Egg Is Fertilized?

recipes.howstuffworks.com/food-science/can-tell-if-chicken-egg-is-fertilized.htm

How can you tell if a chicken egg is fertilized or not? HowStuffWorks answers the age-old question.

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