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Your search for "american frontier" returned 175 results
How Smell Works
health.howstuffworks.com/mental-health/human-nature/perception/smell.htm
Smell is often our first response to dangers, such as fire and gas leaks. Learn more about the sense of smell and find out how the sense of smell works.
How the Star Wars Program Didn't Work
science.howstuffworks.com/star-wars-program.htm
Back in 1983 when the Cold War was in full swing, the U.S. was looking for an effective new tactic to deter a nuclear strike. The "Star Wars" missile defensive initiative, however, wasn't it. Why not?
United States Enacts the Lend-Lease Bill: January 1941-June 1941
history.howstuffworks.com/american-history/united-states-enacts-lend-lease-bill.htm
This World War II timeline highlights important dates from January 1941 to June 1941. Follow the events of World War II and the German invasion.
How Fever Dreams Work
health.howstuffworks.com/mental-health/sleep/disorders/fever-dreams.htm
They're not hallucinations, but they're not just regular nightmares, either. Learn how fever dreams work at HowStuffWorks.com.
10 Wacky Forms of Alternative Energy
science.howstuffworks.com/environmental/green-science/five-forms-alternative-energy.htm
Wacky forms of alternative energy include using human energy as power and bugs that make fuel. Learn about the wacky forms of alternative energy.
10 Fabulous Fads from the 1950s
people.howstuffworks.com/10-fabulous-fads-from-the-1950s.htm
Even if you weren't around in the 1950s, you're probably familiar with these 10 short-lived but long-loved pieces of golden-decade pop culture.
Will we ever unite quantum mechanics with general relativity?
Einstein showed us a mind-blowing way the universe works, while Max Planck and his gang showed us how particles on the atomic and subatomic levels work. But one doesn't explain the other. So there must be a larger theory encompassing them ... or not?
Top 5 Most Popular Guns - and Why
science.howstuffworks.com/5-most-popular-guns.htm
Whether they're antique rifles or modern handguns and shotguns, firearms are popular in the United States. So which pieces are people packing?
How the St. Louis Arch Stands Against All Odds
science.howstuffworks.com/engineering/architecture/st-louis-arch.htm
The St. Louis Arch was so spectacularly designed that, when construction kicked off in 1961, many predicted an epic failure.
How Space Wars Will Work
science.howstuffworks.com/space-war.htm
Weapons in space that can knock down missiles have been under development for years and are starting to look realistic. Learn how they will work!