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Is steel still the best material for building?
science.howstuffworks.com/engineering/structural/steel-best-material-for-building.htm
Steel is getting more expensive because the prices of iron and coal are rising. Are there alternatives to steel that can do the same job -- or better -- for less?
How Aerogels Work
science.howstuffworks.com/aerogel.htm
Aerogels are incredible materials that could have dozens of uses from insulation to oil spill cleanup. Learn about aerogels in this article.
Can You Identify These Land Animals While They're Swimming?
play.howstuffworks.com/quiz/can-you-identify-these-land-animals-while-theyre-swimming
Humans live on land, and we love nothing more than a day at the beach. Why would it be any different for land animals? Doggie paddle your way through these photos of animals taking the plunge, and see if you can identify all of them!
How the Ice Age Worked
history.howstuffworks.com/historical-events/ice-age.htm
An ice age is a period of cooling, marked by the presence of glaciers and ice sheets. Learn how an ice age works and if we're in an ice age right now.
How Guitar Pedals Work
electronics.howstuffworks.com/gadgets/audio-music/guitar-pedal.htm
Guitar pedals can create a variety of sound affects. Learn different guitar pedal techniques and types of guitar pedals at HowStuffWorks.
Old Railroads
history.howstuffworks.com/american-history/old-railroads.htm
The age of old railroads saw the birth of the first railroad lines and mass transportation on rail. Read more about old railroads in America.
How Aboriginal Australians Work
people.howstuffworks.com/aborigine.htm
The Aboriginal people were the first people to set foot on the Australian continent around 40,000 years ago. Learn about the history of the Aboriginal people.
How Artificial Hearts Work
science.howstuffworks.com/innovation/everyday-innovations/artificial-heart.htm
On July 2, 2001, heart failure patients gained new hope, as surgeons performed the first artificial heart transplant in nearly two decades. The AbioCor Implantable Replacement Heart is the first completely self-contained artificial heart and is expected to at least double the life expectancy of patients.
Finding Sagittarius’ Soulmate: A Zodiac Love Compatibility Analysis
entertainment.howstuffworks.com/horoscopes-astrology/sagittarius-soulmate.htm
Discover if Sagittarius is your soulmate! Explore zodiac compatibility, ideal love matches, and what makes Sagittarius the perfect soulmate in the zodiac.
How to Choose the Right Bronzer
health.howstuffworks.com/skin-care/beauty/skin-and-makeup/choose-the-right-bronzer.htm
Want to know how to choose the right bronzer? Visit HowStuffWorks to learn how to choose the right bronzer.