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Can we plug the hole in the ozone layer?
science.howstuffworks.com/environmental/green-science/plug-hole-ozone-layer.htm
Plugging the hole in the ozone layer is explained in this article. Learn about plugging the hole in the ozone layer.
Who Is the Most Famous Person in the World?
entertainment.howstuffworks.com/most-famous-person.htm
Fame can be fleeting but some names manage to live forever. Is it possible to determine who is the most famous person on Earth?
Humpback Whales Have Made an Amazing Comeback From Extinction
animals.howstuffworks.com/mammals/humpback-whale.htm
Humpback whales can be as long as a city bus and weigh as much as two. They love to breach and water slap with their fins and tails, making them a perennial favorite for whale watchers.
9 Cold Cases That Have Totally Baffled Investigators
people.howstuffworks.com/cold-cases.htm
Despite how hard investigators work, some crimes just baffle even the most gifted detectives. They go cold. That's where these nine cases stand. Will they ever be solved?
The Vietnam War Quiz
play.howstuffworks.com/quiz/vietnam-war-quiz
The Vietnam War claimed millions of lives, spurred worldwide protests and forever changed the lives and government of Vietnamese citizens. Take our Vietnam War quiz to see how much you know about one of the most controversial conflicts in history.
The 'Wheel of Time' Quiz
play.howstuffworks.com/quiz/wheel-of-time-quiz
Are you ready to take the "Wheel of Time" challenge? Channel your inner one power and see if you can ace this quiz.
How does a mud bath improve the quality of your skin?
health.howstuffworks.com/wellness/spa-health/mud-bath-improve-the-quality-skin.htm
A mud bath can relieve stress, ease the body and calm the mind. But can a mud bath also improve the quality of your skin? Find out.
The Treaty of Versailles: Did the End of WWI Cause the Start of WWII?
history.howstuffworks.com/european-history/treaty-versailles.htm
In 1919, 30 nations signed the Treaty of Versailles, which degreed Germany to pay huge fines for starting World War I. But were the terms too harsh?
6 Things We Still Thank Teddy Roosevelt for Today
history.howstuffworks.com/historical-figures/teddy-roosevelt.htm
Teddy Roosevelt changed the American landscape, establishing the U.S. Forest Service and protecting the magnificent green spaces we cherish today.
Why Is Blackface Controversial? Just Look at Its History
history.howstuffworks.com/historical-events/why-is-blackface-controversial-look-at-history.htm
Blackface, the old practice of using makeup to transform into a caricature of a black person, is still around. Learn about the history of blackface.