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How C-4 Works
science.howstuffworks.com/c-4.htm
C-4 is a powerful explosive that's used in terrorist attacks all over the world. Find out what C-4 explosives are and what C-4 explosives can do.
What are the dangers of hydrogen-powered vehicles?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-vehicle-danger.htm
What are some of the chemical dangers that might be associated with hydrogen-powered vehicles? Read about the hydrogen-powered vehicle dangers.
How are fossil replicas made?
science.howstuffworks.com/environmental/earth/geology/fossil-replica.htm
Fossil replicas give scientists the chance to learn about dinosaur fossils and to display replicas for the public to see. Learn more about fossil replicas.
How LED Incapacitators Work
science.howstuffworks.com/led-incapacitator.htm
LED incapacitators are non-lethal devices used by law enforcement officials. Learn about LED incapacitators.
How Does the Body Make Electricity — and How Does It Use It?
health.howstuffworks.com/human-body/systems/nervous-system/human-body-make-electricity.htm
How does the human body make electricity? Learn about the human body and its ability to make electricity and find out why electrical signals are so fast.
How the Land Rover LRX Works
auto.howstuffworks.com/land-rover-lrx.htm
The Land Rover LRX hybrid concept car is an all-terrain vehicle with a hybrid diesel engine. Learn more about the Land Rover LRX hybrid concept car.
Mastering the ice: The figure skating moves quiz
play.howstuffworks.com/quiz/mastering-the-ice-the-figure-skating-moves-quiz
Are you a casual observer of the athletes on the ice, or do you know your skating terminology through and through? Test your knowledge of figure skating moves with this quiz!
Top 10 Rare Diseases
health.howstuffworks.com/diseases-conditions/rare/10-rare-diseases.htm
Rare diseases are usually genetic, but environmental factors can play a role. Take a look at the top 10 rare diseases that you may never have heard of.
The 3 Most Walkable Cities in the U.S. Are on the East Coast
health.howstuffworks.com/wellness/most-walkable-cities-in-the-us.htm
Living in one of the most walkable cities in the U.S. offers a wealth of benefits. It promotes a healthier lifestyle, reduces environmental impact by reducing dependence on cars and even boosts the city's economy. And it fosters a sense of community by encouraging interaction among neighbors.
The Worst Air Quality in the World Is in Mountainous Terrain
science.howstuffworks.com/environmental/green-science/worst-air-quality-in-the-world.htm
Air pollution is widely recognized as a major threat to public health, and while air quality data is widely available, the large-scale solutions are often difficult to enact. There are efforts in most developed countries to improve air quality, and pretty much everyone (except the polluters) agrees that it's an urgent problem.