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Paroxysmal Nocturnal Dyspnea
health.howstuffworks.com/diseases-conditions/respiratory/paroxysmal-nocturnal-dyspnea.htm
Paroxysmal nocturnal dyspnea is a sign of heart failure that makes people have trouble breathing while lying down. Learn about paroxysmal nocturnal dyspnea.
Is there a hole in the universe?
science.howstuffworks.com/dictionary/astronomy-terms/hole-in-universe.htm
A hole in the universe was recently discovered by scientists at the University of Minnesota in 2007. Read about the discovery of a hole in the universe.
Can You Name These '90s TV Characters?
play.howstuffworks.com/quiz/can-you-name-these-90s-tv-characters
The '90s were filled with great television shows and memorable characters. It was truly a Golden Age of TV. Find out just how golden it was for you in this '90s TV character quiz!
Emperor Hirohito and Japan's Role in World War II
history.howstuffworks.com/historical-figures/hirohito.htm
Japan's Emperor Hirohito reigned for more than 60 years, and his tenure included World War II. Although he was never prosecuted for war crimes, many historians say he should have been.
How to Play Five Hundred
entertainment.howstuffworks.com/how-to-play-five-hundred.htm
Five Hundred is a popular card game in which the object is to make bids and take tricks. Learn how to win by being the first player to score 500.
T-64 Main Battle Tank
science.howstuffworks.com/t-64-main-battle-tank.htm
The T-64 Main Battle Tank was long mistaken for another Soviet tank, the T-72. Explore the features of the T-64 Main Battle Tank at HowStuffWorks.
What is congestive heart failure?
What is congestive heart failure? Learn more about congestive heart failure from Discovery Health.
What Did Albert Einstein Invent?
science.howstuffworks.com/innovation/famous-inventors/what-did-albert-einstein-invent.htm
Albert Einstein was one of history's greatest thinkers. Although he isn't really known as an inventor, his ideas formed the basis for some of the greatest inventions ever devised. Here are a few of the man's most revolutionary discoveries.
The Oldest President of the U.S. Is a Repeat Record-holder
history.howstuffworks.com/american-history/oldest-president.htm
President Joe Biden became the oldest president in U.S. history when he took the oath of office in 2020 at 78 years old. The former senator of Delaware also served as vice president for two consecutive terms of the Obama administration between 2009 and 2017.
Horses Can Be Taught to Communicate With Us Using Symbols
animals.howstuffworks.com/mammals/horses-communicate-humans-symbols.htm
Can horses communicate desire to humans? Learn more about symbolic horse communication in this HowStuffWorks Now article.