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Top 10 Green Heating and Cooling Technologies
Compared to standard heating and air systems, going green is better for the environment -- and your wallet because they use less energy. So what kind of green HVAC systems are on the market today? Read on to find out.
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 the Freedom of Information Act Works
people.howstuffworks.com/freedom-information-act.htm
The Freedom of Information Act gives citizens access to government materials, but not every document is made public. Learn more at HowStuffWorks.
How Executive Powers Work
people.howstuffworks.com/executive-powers.htm
The powers wielded by the U.S. president have waxed and waned over the years. Learn about executive powers in this article at HowStuffWorks.
10 Big Questions About Hinduism, Answered
people.howstuffworks.com/hinduism.htm
Are Hindus polytheistic? Do they worship cows? And how does yoga fit into this religion? We answer some of the most-asked questions around Hinduism.
How Ambulances Work
health.howstuffworks.com/medicine/ambulances.htm
How are ambulances dispatched and why do they cost so much? HowStuffWorks takes a close look at the world of ambulances.
5 True Stories of Twins Separated at Birth
science.howstuffworks.com/life/genetic/5-true-stories-twins-separated-at-birth.htm
What happens when twins are reunited decades later? And how in the world can you explain separated twins giving their firstborn son or their family dog the same exact name?
10 Scientifically Sound Weather Superstitions
Ever hear that saying that a cow lies down when rain is coming? This superstition may not be as udderly ridiculous as you think.
10 Lessons We Learned From Filmmaking in the 1920s
entertainment.howstuffworks.com/10-lessons-from-filmmaking-in-the-1920s.htm
Filmmaking in the 1920s taught us how to make great movies. See 10 lessons we learned from filmmaking in the 1920s to learn more.
10 Unidentified Sounds That Scientists Are Seriously Looking Into
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/10-unidentified-sounds.htm
"Stop, what's that sound?" Doesn't it creep you out when you don't know? There are lots of sounds out there that baffle even scientists.