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When did humans start smoking, anyway?
health.howstuffworks.com/wellness/smoking-cessation/humans-start-smoking.htm
When did humans start smoking? With today's technology, we know the answer. Take a look at when humans started smoking at Discovery Fit and Health.
Lost Civilization in Grand Canyon Was, Wait, Egyptian?
history.howstuffworks.com/history-vs-myth/lost-civilization-in-grand-canyon-was-egyptian.htm
Stuff They Don't Want You To Know looks at whether a lost civilization of Egyptian lived in the Grand Canyon. Did Egyptians live in the Grand Canyon?
What's the difference between the U.S. deficit and the national debt?
money.howstuffworks.com/difference-between-u-s-deficit-national-debt-.htm
What's the difference between the U.S. deficit and the national debt? Learn the difference between the deficit and the national debt at HowStuffWorks.
Was There a Real John Henry?
history.howstuffworks.com/history-vs-myth/real-john-henry.htm
The ballad and folktale of John Henry, the tireless railroad worker, is the stuff of American legend. But was John Henry a real person? Find out.
Will natural-gas cars ever be suitable for consumer use?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/natural-gas-cars.htm
Will natural-gas cars ever be suitable for consumer use? Keep reading to discover if natural gas vehicles will ever be suitable for consumer use.
Wolves' Return to Yellowstone a Boon for Streams
animals.howstuffworks.com/mammals/wolves-return-to-yellowstone-boon-for-streams.htm
A new study reaffirms that wolves are vital to the health of Yellowstone National Park. HowStuffWorks looks at how the wolves impact the park.
How Historic Districts Work
home.howstuffworks.com/historic-district.htm
Historic districts could protect you from your neighbor's bad taste. Find out how historic districts work and how your neighborhood could become one.
Harriet Tubman's Life and Impact on the Underground Railroad
history.howstuffworks.com/historical-figures/harriet-tubman.htm
Harriet Tubman was a conductor on the Underground Railroad. But she was so much more. HowStuffWorks looks at this American legend.
How Pterosaurs Worked
animals.howstuffworks.com/extinct-animals/pterosaurs.htm
They were creatures of the air, but they aren't part of the avian family tree - and don't call them dinosaurs. What was life like for the pterosaurs, and what has sparked renewed interest in these flying reptiles?
How do antibiotics work?
health.howstuffworks.com/medicine/medication/question88.htm
Where do antibiotics come from, and how do they fight bacteria?