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How the California Air Resources Board (CARB) Works
auto.howstuffworks.com/fuel-efficiency/fuel-economy/carb.htm
The California Air Resources Board regulates air quality in the state of California. Find out more about the California Air Resources Board in this article.
Sacred Pipes Mean Way More Than Peace for Native Americans
people.howstuffworks.com/culture-traditions/cultural-traditions/native-american-pipes.htm
Pipes have a long history for Native Americans, and they're still revered and powerful. Just please don't call them peace pipes.
In Honor of Martin Luther King Jr.
people.howstuffworks.com/culture-traditions/holidays-other/mlk-jr.htm
The national American holiday honoring Dr. Martin Luther King, Jr. falls on the third Monday in January. Learn about the life and work of this legendary civil rights activist.
Can You Name the Country From a Well-Known Fact?
play.howstuffworks.com/quiz/can-you-name-the-country-wellknown-fact
The world is filled with colorful cultures and geography. From the Grand Canyon to the Great Wall, can you name these countries from one famous fact about the area?
How Acid Rain Works
science.howstuffworks.com/nature/climate-weather/atmospheric/acid-rain.htm
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.
Can You Get in Trouble for Not Flying the U.S. Flag at Half-staff?
people.howstuffworks.com/culture-traditions/national-traditions/flying-us-flag-at-half-staff.htm
Days when U.S. flags are officially lowered to half-staff have greatly increased. But can you get into trouble if you don't lower your own flag?
All 48 Countries of Asia, Sorted by Region
history.howstuffworks.com/world-history/countries-of-asia.htm
Eurasia is the largest continent on Earth, home to a rich tapestry of cultures, languages and histories. From the ancient civilizations of Mesopotamia to the bustling cities of the modern era, the countries of Asia offer a glimpse into the diversity of the world's population.
Can You Guess the Place by a Picture of It?
play.howstuffworks.com/quiz/can-you-guess-the-place-by-a-picture-of-it
Do you know where Burning Man is held or where Napoleon used to party? Can you name that colorful village that clings to a cliff on the Amalfi coast? Do you know what the "Times Square" of Asia is called? See if you can name these places by looking at a picture.
How Deep Is the Deepest Lake in the World?
science.howstuffworks.com/environmental/earth/geophysics/deepest-lake-in-world.htm
You could stack the Eiffel Tower, the Washington Monument and the Statue of Liberty in Crater Lake, the deepest lake in the U.S. But, do you know what the deepest lake in the world is?
5 Events in Black History You Never Learned in School
history.howstuffworks.com/american-history/black-history-didnt-learn-in-school.htm
Most students in the U.S. aren't taught about important people and events in Black history. Here are five that you probably never learned in school.