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20 Hawaii Landmarks: Epic Views and Historical Significance
history.howstuffworks.com/american-history/hawaii-landmarks.htm
From ancient kingdoms to pivotal moments in global history, the Hawaii landmarks scattered across the Rainbow State offer visitors a journey through centuries of Native Hawaiian culture, national significance and natural wonder. Here's what to explore on the major Hawaiian islands.
How Much Air Pollution Comes From Cars?
auto.howstuffworks.com/air-pollution-from-cars.htm
You see it every time smoke billows from your car's exhaust pipe. There's no denying that vehicles are major contributors to air pollution.
London Bridge Has Never Fallen Down, But It Keeps Getting Rebuilt
science.howstuffworks.com/engineering/structural/london-bridge.htm
Despite what the nursery rhyme says, London Bridge is not falling down - and never really has. But the bridge that spans the Thames has been rebuilt again and again for two millennia.
Are there CO2 emissions from natural gas?
science.howstuffworks.com/environmental/energy/emissions-natural-gas.htm
Until recently, natural gas was thought of as one of the cleanest fossil fuels. Yet new studies say it may be worse for the ozone layer than coal -- a fuel well-known for its harmful emissions.
How to Make International Calls
electronics.howstuffworks.com/how-to-make-international-calls.htm
Making international calls can be confusing if you don't have the right information. Learn about making international calls at HowStuffWorks.
Can China control the weather?
science.howstuffworks.com/nature/climate-weather/meteorologists/cloud-seeding.htm
Weather control is being looked at by Chinese officials as a way of ensuring clear skies for the Olympic Games. Read about weather control methods.
Which Is More Environmentally Friendly: Paper or Plastic?
science.howstuffworks.com/environmental/green-science/paper-plastic.htm
People wonder if paper or plastic bags are more environmentally friendly. Get the skinny on whether paper or plastic bags are greener.
Why is a cell phone called a cell phone?
electronics.howstuffworks.com/question582.htm
One of the most interesting things about a cell phone is that it is really a radio. Find out why cell phones are named as they are.
How Axis & Allies Works
entertainment.howstuffworks.com/leisure/brain-games/axis-and-allies.htm
Axis & Allies is a board game in which players control armies to defeat the opposing faction. Learn how Axis & Allies works at HowStuffWorks.
How Many Billionaires Are in the U.S.? More Than Any Other Nation
money.howstuffworks.com/how-many-billionaires-in-the-us.htm
Exactly how many billionaires are in the U.S. today? According to the Forbes annual list, 813 billionaires call the United States home as of 2024. That makes the U.S. the country with the most billionaires by a wide margin. Together, they hold a combined wealth of 5.7 trillion dollars.