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12 Black Inventors and Their Innovations That Shaped the World
science.howstuffworks.com/innovation/inventions/10-inventions-by-african-americans.htm
When asked to name a Black American inventor, many people might think of George Washington Carver and peanut butter. But this is actually a myth. There are hundreds of other unsung Black inventors who have shaped the world with their innovations.
How Pepper Spray Works
home.howstuffworks.com/home-improvement/household-safety/pepper-spray.htm
Pepper spray is a common law enforcement and self-defense tool. Check out this article and learn all about how pepper spray works.
How Massive Open Online Courses (MOOCs) Work
people.howstuffworks.com/massive-open-online-courses-moocs.htm
Do you know how MOOCs work? Learn how massive open online courses work at HowStuffWorks.
How Tardigrades Work
animals.howstuffworks.com/animal-facts/tardigrades.htm
No, a tardigrade's not a type of time-traveling police box on "Doctor Who." It's an ancient water bear, of course!
10 Fascinating Facts About Flatus
health.howstuffworks.com/human-body/systems/digestive/10-facts-about-flatus.htm
Flatulence is funny, but there's actually some interesting stuff going on in your body to cause it. Learn some facts about flatus at HowStuffWorks.
10 Banned Race Cars
auto.howstuffworks.com/auto-racing/motorsports/10-banned-race-cars.htm
Some race cars have been banned because they're too fast. Learn about 10 banned race cars at HowStuffWorks.
15 Brown Birds You'll Spot in the Northern Hemisphere
animals.howstuffworks.com/birds/brown-birds.htm
Brown birds are often ground-dwelling, foraging, nesting birds. In Native American cultures, birds are also sometimes seen as messengers between the spirit world and the physical realm, so a brown bird could be seen as bringing a connection to Earth, home, reliability, simplicity and consistency.
Penn Center: A Little-known Haven of the Civil Rights Movement
The Penn Center was critical to the American civil rights movement. HowStuffWorks takes a look at this overlooked piece of history.
Why Is Biodiversity Important for Ecosystems?
science.howstuffworks.com/environmental/conservation/issues/biodiversity-important.htm
Biodiversity means rainforests and reefs teeming with species right? There's more to it than that though. Genetic diversity has a big role to play, too. Just ask that cheetah cub.
How Does a 3D Printer Work?
computer.howstuffworks.com/3-d-printing.htm
3D printing has made it possible to print out almost anything - including homes, medical devices, clothing, and even a human heart! But how does a 3D printer work, and what are the drawbacks?