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Eye Color: Percentage of the World Population With Each Shade
science.howstuffworks.com/life/genetic/eye-color-percentage.htm
Understanding eye color percentage reveals how human genetics shapes the colors we see in the iris. The iris is the colored part of the eye, and its appearance depends largely on how much melanin pigment it contains.
Cream Questions
recipes.howstuffworks.com/food-facts/cream-questions.htm
Cream comes in so many different varieties that it's easy to be confused. Learn the difference between heavy cream, whipping cream and Half and Half.
1968 Pontiac Firebird Sprint Convertible
auto.howstuffworks.com/1968-pontiac-firebird-sprint-convertible.htm
The 1968 Pontiac Firebird Sprint Convertible proved that ragtops could be fast muscle cars. Learn more about the 1968 Pontiac Firebird Sprint Convertible.
Why Was 911 Chosen as the Emergency Phone Number?
people.howstuffworks.com/question664.htm
During an emergency, Americans know to dial 911 for help. How and why was that number selected as the emergency phone number for the entire country?
How the Sun Works
science.howstuffworks.com/sun.htm
The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. Learn about the sun.
How Trickle-down Economics Works
money.howstuffworks.com/trickle-down-economics.htm
Whether trickle-down economics works is a hot debate among theorists and politicians. Learn why trickle-down economics has so many allies and adversaries.
How Cellulosic Ethanol Works
science.howstuffworks.com/environmental/green-tech/energy-production/cellulosic-ethanol.htm
Cellulosic ethanol could provide us with a new, green source of energy. Learn all about cellulosic ethanol at HowStuffWorks.
How Organic Farming Works
science.howstuffworks.com/environmental/green-science/organic-farming.htm
Consumers are becoming more and more knowledgeable about food safety and their health. As a result, organic farming has entered the agriculture mainstream. But what methods must be used, and how is organic farming certified?
10 Health Benefits of Swimming
health.howstuffworks.com/wellness/aging/retirement/10-health-benefits-of-swimming.htm
There are many health benefits of swimming, including improved heart health and muscle tone. See 10 health benefits of swimming to learn more.
Do men and women cheat for different reasons?
people.howstuffworks.com/men-women-cheating.htm
Men and women cheating on their partners often do so for different reasons. Learn about gender differences and studies behind men and women cheating.