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What is a synfuel?
auto.howstuffworks.com/fuel-efficiency/biofuels/synfuel.htm
What is a synfuel? How could synthetic fuels mitigate the energy crisis? Read about synfuels at HowStuffWorks.
Science Projects for Kids: States of Matter
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-states-of-matter.htm
Science projects for kids on states of matter show how liquids, solids, and gases are related. Learn about surface tension and changing states.
How long does an exhaust system last?
auto.howstuffworks.com/under-the-hood/car-part-longevity/exhaust-system-last.htm
How long does an exhaust system last? Visit HowStuffWorks to learn how long an exhaust system lasts.
Can You Get More Than 11 Right on This Astronomy Quiz?
play.howstuffworks.com/quiz/can-you-get-more-than-11-right-on-this-astronomy-quiz
Does the solar system fill you with wonder? Are you an amateur stargazer fascinated by celestial bodies? Show off your knowledge of the universe with an out-of-this-world astronomy quiz!
Centralia, Pennsylvania: The Ghost Town Atop an Inferno
science.howstuffworks.com/nature/natural-disasters/centralia.htm
The fire under the tiny town of Centralia, Pennsylvania, has been burning since at least 1962 and, to this day, nobody knows how to put it out.
The General Science Quiz
play.howstuffworks.com/quiz/the-general-science-quiz
You spent a lot of time sitting in science classes -- But do you remember any of what you learned, or did you forget it right after the test? Take this quiz to prove your general science IQ!
Do You Know Which Sport This Equipment Is Used For?
play.howstuffworks.com/quiz/do-you-know-which-sport-this-equipment-is-used-for
There are about 8,000 sports played across the world and each one has its own unique set of equipment. You can't play baseball with a basketball and you can't play football with a 9-iron. Can you match the equipment to the sport?
Is there really water on Mars?
science.howstuffworks.com/water-on-mars.htm
Photographs have recently shown that there may be water on Mars. Find out if there's water on Mars and what that could mean for life on Mars.
How Archaeology Works
science.howstuffworks.com/environmental/earth/archaeology/archaeology.htm
Archaeology is the study of ancient civilizations and human remains, such as buildings, art or trash. Learn about archaeology and archaeologists.
Why Is the Ocean Different Colors in Different Places?
Ocean water is not actually blue, but appears in different shades for many reasons.