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What Does a Catalytic Converter Do and Why Do People Steal Them?
auto.howstuffworks.com/catalytic-converter.htm
Catalytic converters are one of the most important parts of a car's emissions control system. Learn about catalytic converters and catalytic converter laws.
Can owning a hybrid car get me an HOV decal?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/owning-hybrid-hov-decal.htm
Can owning a hybrid get me an HOV decal? Find out if owning a hybrid can get you an HOV decal at HowStuffWorks.
Why Do Leaves Change Color in the Fall?
science.howstuffworks.com/life/botany/leaves-turn-red.htm
If you ever wondered why leaves change color in autumn, you're not alone. Learn why leaves change color, and how they get that vibrant red hue.
How do reindeer find enough food in the tundra?
animals.howstuffworks.com/mammals/reindeer-find-food.htm
Reindeer find food in the form of mosses, shrubs, and lichens -- a cross between algae and fungus. Learn how reindeer find food in the frozen tundra.
Why You Want Your Kid's School Bus to Be Electric
auto.howstuffworks.com/fuel-efficiency/vehicles/electric-school-bus-news.htm
Electric school buses are a very, very good idea. They cut greenhouse emissions, for one, but there are several more reasons the U.S. should transition its massive diesel-fueled school bus fleet to electric.
Tips for Minimizing Your Carbon Footprint
science.howstuffworks.com/environmental/green-science/minimizing-carbon-footprint.htm
Environmental awareness is at an all-time high. We've moved beyond the message that littering is bad -- today we have Web sites, television programs, documentaries and books examining our impact upon the environment.
The Ili Pika May Be the Most Adorable Endangered Species
animals.howstuffworks.com/endangered-species/ili-pika.htm
Imagine a creature that combines the cuteness of a teddy bear with the charm of a rabbit, all wrapped up in the size of a terrier. Meet the Ili pika (Ochotona iliensis), a rare animal that has made its home in the Tian Shan mountains of northwestern China.
Remembering Marshall Brain, Founder of HowStuffWorks
history.howstuffworks.com/historical-figures/marshall-brain.htm
The endless curiosity of Marshall Brain helped educate, inform and inspire countless students, entrepreneurs and web surfers for decades before Brain's death on November 20, 2024.
How green are green household cleaners?
Green household cleaners are advertised today as completely environmentally safe. But can we believe the marketing? Review green household cleaners.
How can parts of Canada be 'missing' gravity?
science.howstuffworks.com/environmental/earth/geophysics/missing-gravity.htm
For more than 40 years, scientists have tried to figure out what's causing large parts of Canada to be "missing" gravity. The force of gravity around Hudson Bay is lower than surrounding areas. Learn about two theories that may explain the phenomenon.