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What would happen if you never washed your face?

health.howstuffworks.com/skin-care/cleansing/basics/never-wash-face.htm

What would happen if you never washed your face? Find out what would happen if you never washed your face at HowStuffWorks.

3 Reasons Your Nails Are Naturally Dark

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There may be some reasons your nails are naturally dark. Check out 3 reasons your nails are naturally dark in this article.

Frequency Formula Basics: 2 Ways to Calculate Frequency

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Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.

How to Treat Red Skin on Your Face

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Red skin on your face can be embarrassing and hard to treat. Learn what causes red skin on the face and safe, surefire ways you can treat it.

Could Our Spacecraft Accidentally Ignite an Alien World's Entire Atmosphere?

science.howstuffworks.com/rockets-accidentally-ignite-alien-world-atmosphere.htm

Outer planets in our solar system have atmospheres made up of flammable chemicals that can cause explosions on Earth. Could a rocketship, or electric spark, ignite them?

What Would a Yellowstone Eruption Mean for North America?

science.howstuffworks.com/science-vs-myth/what-if/what-if-yellowstone-supervolcano-erupted.htm

Welcome to Yellowstone, a natural wonderland that's home to stunning vistas, vibrant plant and animal life ... and a massive and potentially devastating supervolcano.

If You Get 29/35 on This Soccer Quiz, You Can Fake Your Way as a World Cup Referee

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Not everyone can be a soccer referee, especially in the World Cup. Do you have what it takes? Here's your chance to find out!

Lava Isn't the Only Dangerous Aspect of Volcanoes

science.howstuffworks.com/environmental/earth/geology/volcano-dangers-vog.htm

Ash flows, deadly gases and vog are just a few of the other reasons why we all need to respect volcanoes.

The Ring of Fire Is the Pacific's Volcanic Hotspot

science.howstuffworks.com/environmental/earth/geology/ring-of-fire.htm

Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.

8 Signs of Pregnancy

health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/eight-signs-of-pregnancy.htm

These eight signs of pregnancy can help you determine whether you've conceived. Learn the eight signs of pregnancy at Discovery Health.

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