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Can You Identify These Lizard Species?
play.howstuffworks.com/quiz/can-you-identify-these-lizard-species
We may not have dinosaurs in the world anymore but we do have lizards. Lots and lots of lizards! Let's see you flex your herpetology muscles and name as many of these species as you can!
When Were the Twin Towers Built?
science.howstuffworks.com/engineering/structural/wtc.htm
The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.
How to Draw Cars
lifestyle.howstuffworks.com/crafts/drawing/how-to-draw-cars.htm
Cars and trucks look great on the street -- and on paper. Learn to draw awesome cars, trucks, and more by following the simple steps in this article.
How Helicopters Work
science.howstuffworks.com/transport/flight/modern/helicopter.htm
Believe it or not, the marvel we know as the helicopter began as a Chinese top consisting of a shaft - a stick - adorned with feathers on one end.
How Refrigerators Work
home.howstuffworks.com/refrigerator.htm
Without the refrigerator, you'd be salting your meat, tossing leftovers and drinking everything warm. Examine the inner workings of this food-preservation icon.
How Landmines Work
science.howstuffworks.com/landmine.htm
Landmines have killed or maimed over 1-million people since 1975. Find out how landmines work and what countries are doing to prevent landmine tragedies.
Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.
Egg Donation Overview
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/egg-donation.htm
Egg donation is one option for women or couples with fertility problems. Learn about egg donation and find out what it takes to be an egg donor.
How Scanning Electron Microscopes Work
science.howstuffworks.com/scanning-electron-microscope.htm
Scanning electron microscopes give scientists an incredible level of magnification. Learn about scanning electron microscopes.
Free Socks Knitting Patterns
lifestyle.howstuffworks.com/crafts/knitting/free-socks-knitting-patterns.htm
Interesting patterns and cozy warmth make these socks great for cool weather. Keep your feet warm and dry with our free socks knitting patterns.