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What Are Ley Lines?

science.howstuffworks.com/science-vs-myth/unexplained-phenomena/ley-lines.htm

Is the world really connected by an intricate, invisible web of knowledge-expanding energy waves? Sure, it's called the Internet -- and you're channeling it right now! Oh, you were asking about the ley lines? We've got an answer for that too.

Can You Identify These 40 Countries By Their Flags?

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It's kind of crazy that national flags carry so much importance and symbolism in one single design. When it comes to the flags of the world, will you take the checkered flag or end up waving a white one? Find out by taking our quiz!

Can companies beam advertisements into my brain?

electronics.howstuffworks.com/gadgets/high-tech-gadgets/brain-advertisement.htm

Can companies beam advertisements into my brain? They can play messages only you can hear. Learn can companies beam advertisements into my brain?

How Does Noise Cancelling Work

electronics.howstuffworks.com/gadgets/audio-music/noise-canceling-headset.htm

Noise-canceling headsets help drown out external noise so you can hear your calls clearly. Learn about the technology behind noise-canceling headsets.

Stored Energy Methods (Other Than Rechargeable Batteries)

science.howstuffworks.com/environmental/energy/question247.htm

One way to store energy is to use a battery, but what other ways can we store energy? Learn about different ways to store energy at HowStuffWorks.

How HD Upconverters Work

electronics.howstuffworks.com/hd-upconverter.htm

HDTVs, receivers and programming are more than enough for most of us to digest. But learn what the next phase, called "upconverting," will mean.

Climate Change Threatens the Moai of Easter Island

science.howstuffworks.com/nature/climate-weather/atmospheric/climate-change-is-affecting-moai-on-easter-island.htm

The statues of Easter Island have stood for over 800 years. See how climate change and rising seas are affecting them with HowStuffWorks.

Airports That Float

science.howstuffworks.com/engineering/civil/airports-that-float.htm

What do you do when you're out of land but want to expand an airport? Try building on water.

Do you know these meteorology basics? Quiz

play.howstuffworks.com/quiz/predicting-the-weather-do-you-know-these-meteorology-basics

Meteorology has come a long way from "red sky in the morning, sailors take warning." How much do you understand about the science behind the forecasts you see on the news?

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