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How Artificial Vision Will Work
science.howstuffworks.com/innovation/everyday-innovations/artificial-vision.htm
There was once no cure for blindness, but artificial vision systems implanted directly on the retina may restore sight. Is a silicon microchip the answer to combating retinal disease?
How Missile Defense Systems Will Work
science.howstuffworks.com/missile-defense.htm
What once was "Star Wars" under Reagan is now National Missile Defense under Bush. Learn more about the technology behind the system.
What Was the Tulsa Race Massacre and Why Does it Still Haunt the City?
history.howstuffworks.com/american-history/tulsa-race-massacre.htm
Tulsa, Oklahoma was once home to 'Black Wall Street,' one of the wealthiest Black neighborhoods in the U.S. In 1921 it was burned to the ground in a race massacre.
What Is a Second Cousin? Unraveling the Family Tree
science.howstuffworks.com/life/biology-fields/cousins-tutorial.htm
Cousins are indeed complicated. Who's your first cousin once removed? What is a second cousin? And what are kissing cousins? We'll tell you.
Why Do We Have Leap Years?
science.howstuffworks.com/science-vs-myth/everyday-myths/leap-year.htm
Leap years only come around once every four years. So, why are they so rare and who decided we need them anyway?
Pablo Escobar's Escaped Hippos Now Roam Wild in Colombia Rivers
animals.howstuffworks.com/mammals/pablo-escobar-wild-hippos-hacienda-napoles.htm
Hippos once owned by Pablo Escobar now haunt Colombian rivers after escaping from captivity. Learn more from HowStuffWorks.
What does it take to eradicate a disease?
health.howstuffworks.com/medicine/modern-technology/eradicate-disease.htm
It can be difficult to eradicate disease -- it has only been accomplished once. Take a look at what has to happen to eradicate disease at HowStuffWorks.
What Is Filter Feeding?
animals.howstuffworks.com/animal-facts/filter-feeding.htm
Filter feeding is a type of aquatic feeding in which animals take in many small pieces of prey at once. See how this filter feeding system works.
Sundown Towns: 'Hiding' Racism Right in the Open
history.howstuffworks.com/american-history/sundown-towns.htm
These towns, with all-white populations, may not be as blatant about their racism as they once were. But they're still here and being forced to face their ugly truth.
6 of the World's Greatest Missing Treasures
people.howstuffworks.com/6-of-the-worlds-greatest-missing-treasures.htm
It seems impossible to lose something so valuable, but it has been done -- more than once. See our list of the world's greatest missing treasures.