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Are Polar Bears Endangered?
science.howstuffworks.com/environmental/green-science/polar-bear-global-warming.htm
Polar bears and global warming are getting attention from conservationists and the general public. See why polar bears are threatened by global warming.
How do sharks see, smell and hear?
animals.howstuffworks.com/fish/sharks/shark-senses.htm
A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.
What Was America's First Terrorist Threat?
history.howstuffworks.com/history-vs-myth/first-terrorist-threat.htm
Terrorism on the Barbary Coast began in the 15th century and plagued the young American nation. Learn how the U.S. fought off terrorism from the Barbary States.
How many words do dogs understand?
animals.howstuffworks.com/pets/dogs-understand-words.htm
Do dogs understand what you say to them? Unbelievably so, dogs may understand over 100 words. Learn more about dogs' understanding of words.
How Zombie Debt Works
money.howstuffworks.com/personal-finance/debt-management/zombie-debt.htm
Zombie debt is debt that has been proclaimed uncollectable by a lender, who then sells it to a collection agency. Learn more at HowStuffWorks.
How Radiant Heating Works
home.howstuffworks.com/home-improvement/construction/materials/radiant-floor-heating.htm
Installing radiant floor heating may slash your costs. Learn how radiant floor heating works and how installing radiant floor heating works.
How to Cope With Gingivitis
health.howstuffworks.com/wellness/oral-care/problems/how-to-cope-with-gingivitis.htm
Gingivitis, commonly called gum disease is the leading cause of tooth loss among adults. Learn how to care for your gums to avoid gingivitis.
How the Venturi Eclectic Works
auto.howstuffworks.com/venturi-eclectic.htm
The Venturi Eclectic is designed for eco-conscious urban dwellers, but will they really be able to drive one? Read about the Venturi Eclectic here.
Ultimate Guide to the Ribera del Duero Wine Region
recipes.howstuffworks.com/food-facts/ribera-del-duero-wine-region.htm
The Ribera del Duero wine region is among Spain's best. Learn all about the Ribera del Duero wine region at HowStuffWorks.
How Hybrid System Indicators Work
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/hybrid-system-indicators.htm
Hybrid system indicators monitor more than just speed and fuel consumption. Learn how hybrid system indicators help drivers stay green.