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Why do humans walk on two legs?
animals.howstuffworks.com/mammals/bipedalism.htm
Bipedalism was one of the first features to develop in our human ancestors. Is bipedalism better than being on all fours? Read more about bipedalism.
Are ice blocks better than air conditioning?
home.howstuffworks.com/green-living/ice-block-ac.htm
Air conditioning with ice blocks is taking root among some of the world's most powerful companies. Learn how air conditioning with ice blocks works.
What is the Longest Time Someone Has Gone Without Sleep?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep-deprivation.htm
A man in Cornwall, England, went 11 consecutive days without a wink of sleep. Find out how he did it, why he did it and why you shouldn't give it a try.
How Emergency Notifications Work
computer.howstuffworks.com/e-mail-messaging/how-emergency-notifications-work.htm
Emergency notifications provide instant alerts. Find out how they work.
1 Billion People May Become Climate Refugees By 2050
science.howstuffworks.com/environmental/green-science/climate-refugee.htm
Climate refugees are people who have been forced to leave their homes due to an environmental disruption. Learn how the U.N. defines climate refugees.
How Concrete Roofs Work
home.howstuffworks.com/home-improvement/construction/materials/concrete-roofs.htm
Concrete roofs are exactly what they sound like: solid slabs of concrete capping the top of homes. How can concrete roofs protect you from big storms?
How Camper Towing Works
auto.howstuffworks.com/auto-parts/towing/vehicle-towing/trailer/camper-towing.htm
Camper towing is easy if you know what you're doing. Read all about camper towing at HowStuffWorks.
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.
Would you pay $55 for bottled water?
money.howstuffworks.com/bling-water.htm
Bling H2O is a brand of luxury bottled water that costs over 50 dollars per bottle. Learn about Bling H2O and find out why Bling H2O is so expensive.
How Market Research Works
money.howstuffworks.com/market-research.htm
In the business world, knowing your target market is crucial to success. Any time you introduce a new product or service, how do you know anyone is going to buy it? Learn all about market research.