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How Designer Children Work
science.howstuffworks.com/life/genetic/designer-children.htm
Designer children are explained in this article from HowStuffWorks. Learn about designer children.
How Houseflies Work
animals.howstuffworks.com/insects/housefly.htm
Though houseflies scavenge and carry disease, houseflies also provide food for the local ecosystem. Learn why houseflies love the great indoors.
How Laser-powered Headlights Work
auto.howstuffworks.com/laser-powered-headlight.htm
Are laser-powerered headlights too intense for other motorists? Read about laser-powered headlight technology at HowStuffWorks.
How Lunar Rovers Work
science.howstuffworks.com/lunar-rover.htm
Lunar rovers have increased our knowledge of the moon by letting us travel long distances. See what's next for lunar rovers and how they've changed.
How Makeup Works
people.howstuffworks.com/about-makeup.htm
Is makeup one of your daily essentials? Learn more about the history and psychology of makeup at HowStuffWorks.
How Time Works
science.howstuffworks.com/science-vs-myth/everyday-myths/time.htm
Ever wonder why we start our year on the first of January? Or why we have January and the other 11 months in the first place? Find out all about time.
Why Do We Sleep?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep.htm
Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?
Why do we have eyebrows?
health.howstuffworks.com/human-body/systems/eye/question520.htm
Eyebrows do more than just add expressions to our faces. Find out the purpose of eyebrows and why everyone has eyebrows.
How Vestigial Organs Work
health.howstuffworks.com/human-body/parts/vestigial-organ.htm
Vestigial organs are like the body's junk drawer. Learn about the body's vestigial organs and how Darwin's idea of common descent might explain them.
How Sunglasses Work
science.howstuffworks.com/innovation/everyday-innovations/sunglass.htm
Whether you're hitting the surf or the slopes or just spending a day on the lake, sunglasses are a must-have accessory. Find out if the $10 sunglasses are as good as the high-cost ones.