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What's the Secret Behind the Numbers on the Interstate Signs?
auto.howstuffworks.com/numbers-on-interstate-signs.htm
Why is one road named I-5 while another is I-480? We take a closer look at the digits on those red, white and blue shield-shaped signs.
How Albinism Works
health.howstuffworks.com/skin-care/problems/medical/albinism.htm
About one in 20,000 people in the U.S. has some type of albinism, and more are afflicted outside of the country. So what is it and how does it happen?
How the Navy SEALs Work
science.howstuffworks.com/navy-seal.htm
Navy SEALs complete some of the most dangerous U.S. military missions. Learn about how the Navy SEALs work and what it takes to become a SEAL.
When I pay for my groceries by check, where does that check go?
money.howstuffworks.com/personal-finance/budgeting/check-processing.htm
Check processing involves the path your check takes through several different banks. Learn how checks deduct money from your bank account.
Representative Democracy: How It Started and How It's Going
people.howstuffworks.com/representative-democracy.htm
In a representative democracy, citizens elect representatives to make political decisions on their behalf rather than voting on every law directly. This system of government shapes democratic government in many countries today, from local level councils to the federal government.
Ayurveda Overview
health.howstuffworks.com/wellness/natural-medicine/alternative/ayurveda.htm
Ayurveda is an ancient Indian system of medicine that is gaining popularity. Learn all about Ayurveda at HowStuffWorks.
How Trains Work
science.howstuffworks.com/transport/engines-equipment/train.htm
We humans are mobile. Long before flight, FusionMan or even your average automobile arrived on the scene, trains were transporting us all over civilization. How did we get from horse-drawn carts to high-speed trains?
How Many People Died on the Trail of Tears?
history.howstuffworks.com/historical-events/trail-of-tears.htm
HowStuffWorks looks at the history and legacy of the Trail of Tears and the five tribes affected: Cherokee, Choctaw, Creek, Seminole and Chickasaw.
Planet Mercury: Fast, Pockmarked and Shrinking
science.howstuffworks.com/46004-mercury-explained.htm
Mercury is the closest planet to the sun, and it's the smallest in the solar system. So why does it have longer days than we have on Earth?
How 9-1-1 Works
people.howstuffworks.com/9-1-1.htm
911 gives people a single, easy-to-remember number to call in life-threatening situations. Learn how 911 has adapted to new cell phone and VoIP technology.