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10 Science Questions You Should Really Know How to Answer
science.howstuffworks.com/innovation/science-questions/10-science-questions-you-should-know.htm
Why is the sky blue? What's relativity all about? If you're thinking, "something to do with light and physics and stuff," we have some short explanations for you.
10 Best Ideas for Interplanetary Communication
science.howstuffworks.com/10-ideas-for-interplanetary-communication.htm
In the future, as we send space probes and manned missions to explore the solar system and possibly colonize other worlds, there's a major problem that we'll have to overcome -- keeping in touch with them.
10 Worst Ways History Has Repeated Itself
history.howstuffworks.com/historical-events/10-worst-ways-history-has-repeated-itself.htm
As they say, if we don't learn from history, we're doomed to repeat it. And as these 10 historical events prove, humans seem to be more prone to repeating than learning.
How to Fall Asleep
health.howstuffworks.com/mental-health/sleep/basics/how-to-fall-asleep.htm
How to fall asleep and stay asleep is a complex question that can affect your daily routine. Learn how to hit the sweet spot in your sleep-wake cycle.
Christmas Trivia
people.howstuffworks.com/culture-traditions/holidays-christmas/christmas-trivia.htm
Test your Christmas trivia knowledge in the areas of songs, movies, traditions and more. Uncover amazing facts as you test your Christmas trivia knowledge.
How Roller Coasters Work
science.howstuffworks.com/engineering/structural/roller-coaster.htm
They don't have engines, brakes or accelerators. No, these amazing machines rely on physical, centripetal and gravitational forces to urge thrills, screams and that sinking stomach feeling we all love (and hate). Read more about the science of fun.
How Radiation Works
science.howstuffworks.com/radiation.htm
Radiation is a loaded word. Believe it or not, not all radiation is bad for your health. Learn which radiation is deadly and which isn't deadly.
How Light Works
science.howstuffworks.com/light.htm
Some of the brightest minds in history have focused their intellects on the subject of light. Einstein even tried to imagine riding on a beam of light. We won't get that crazy, but we will shine a light on everything scientists have found so far.
How to Prepare Soil for Planting
home.howstuffworks.com/gardening/garden-design/how-to-prepare-soil-for-planting.htm
Good soil is the first step to a great garden. Learn how to make the most out of the soil in your area by following the tips in this article.
Traditional Chinese Medicine Diagnosis
A diagnosis in traditional Chinese medicine requires keen observational skills and in-depth inquiry. Learn how treatment is based on a diagnosis.