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Science | Forces of Nature | Atmospheric Science

The atmosphere is the key to life on Earth. This thin layer is what protects us from the hostile environment of space. Here you can learn all about the atmospheric sciences.

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How Acid Rain Works

Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides from power plants, cars and factories. Find out how acid rain is produced, how it affects natural and man-made objects and how governments aim to reduce it.


Lightning Quiz

 Lightning Quiz

Electrical bolts from the sky are both beautiful and hazardous. How much do you know about lightning? Take our HowStuffWorks quiz and find out. See more »

Weather Myths Quiz

 Weather Myths Quiz

From ancient gods to your know-it-all neighbor Gary, everyone thinks they know the weather. Take our weather myths quiz to see how smart you really are. See more »

World's Worst Weather Quiz

 World's Worst Weather Quiz

Some places on Earth have downright disgusting climates. How much do you know about the world's worst weather? Take our quiz and find out. See more »

How rare are double rainbows?

 How rare are double rainbows?

A double rainbow! Just the sight of one can send us babbling into happiness. Learn how rare double rainbows are to find out if you'll ever see one. See more »

How big can hail get (and how is that even possible)?

 How big can hail get (and how is that even possible)?

Hail gets bigger the longer ice bounces around in storm clouds. Find out how big hail can get and learn about how hail forms at HowStuffWorks. See more »

Could there be a triple rainbow?

 Could there be a triple rainbow?

Just one rainbow is impressive enough, but what about multiple? Learn if triple rainbows are possible at HowStuffWorks. See more »

Does a wet summer mean a brilliant fall?

 Does a wet summer mean a brilliant fall?

Does the brilliance of fall leaves owe credit to summer rains? Learn if a wet summer means they'll be a colorful fall at HowStuffWorks. See more »

Can you predict winter weather based on summer weather?

 Can you predict winter weather based on summer weather?

Predicting a long-term weather forecast accurately is unlikely. Learn whether you can predict winter weather based on summer weather at HowStuffWorks. See more »

Does a ring around the moon mean rain is coming soon?

 Does a ring around the moon mean rain is coming soon?

Can a ring around the moon really predict rain? Find out and learn about moon rings and weather prediction. See more »

How does the Farmers' Almanac predict weather?

 How does the Farmers' Almanac predict weather?

Does the Farmers' Almanac accurately predict the weather, or is it just blowing hot air? Learn about the Farmers' Almanac weather predictions. See more »