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How Ocean Currents Work
science.howstuffworks.com/environmental/earth/oceanography/ocean-current.htm
Ocean currents may be driven by tides, winds or differences in density. Learn how ocean currents affect marine transportation and nutrient cycling.
How Subprime Mortgages Work
home.howstuffworks.com/real-estate/buying-home/subprime-mortgage.htm
Subprime mortgages have allowed people with shaky credit to buy houses. Learn more about subprime mortgages and how to get a subprime mortgage.
How Traveling Sprinklers Work
home.howstuffworks.com/traveling-sprinkler.htm
Oscillating sprinklers are great for watering a square area. But what if your lawn has curves? Traveling sprinklers spray the water exactly where you want it. Find out how they travel around your yard so you don't have to.
How Night Vision Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/nightvision.htm
Most of us instinctively think of darkness as a way to hide. Night vision has changed all that. So, how can you see someone standing over 200 yards away on a pitch-black night? Find out.
How Police Cars Work
auto.howstuffworks.com/police-car.htm
Police cars are built to be much more durable that civilian model cars. Read all about police cars and how they are manufactured.
How Totem Poles Work
people.howstuffworks.com/totem-pole.htm
Totem poles are family histories carved from trees. Learn how totem poles tell stories and commemorate special events with common symbols.
How Building Implosions Work
science.howstuffworks.com/engineering/structural/building-implosion.htm
Safe, professional building implosions combine mathematics, intuition and sheer explosive power. Find out how the experts bring down huge structures without damaging the buildings nearby.
How Flavor Enhancers Work
recipes.howstuffworks.com/flavor-enhancers.htm
Flavor enhancers can brighten the flavors of almost any food. Learn how flavor enhancers change how food tastes.
How the Crusades Worked
history.howstuffworks.com/european-history/crusades.htm
The Crusades were religious wars. Find out what triggered the First Crusade and how the pope persuaded people to go on a crusade.
How Your Lungs Work
health.howstuffworks.com/human-body/systems/respiratory/lung.htm
You couldn't breathe without your lungs and you do it without even thinking about it. So, how do your lungs manage this amazing feat?