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What Is the Butterfly Effect and How Do We Misunderstand It?
science.howstuffworks.com/math-concepts/butterfly-effect.htm
We may think the butterfly effect means that a small change (like the flap of a butterfly's wings) can have huge consequences (a tornado in China). But what if it means the opposite?
Deadly 1948 Donora Smog Launched the U.S. Clean Air Movement
A killer smog 70 years ago helped lead to the first federal air pollution laws.
Meet Florence Kelley: Labor Reformer, Abolitionist and Co-founder of the NAACP
history.howstuffworks.com/historical-figures/florence-kelley.htm
Grateful that U.S. law ensures decent working conditions and children go to school instead of working in mines? Thank Florence Kelley and her father.
8 Countries That Changed Their Names and Why
history.howstuffworks.com/world-history/countries-changed-names.htm
Look at any vintage map and you'll see how a country's borders shift. But what reason would a country have for changing its name?
10 Beatles Singles
entertainment.howstuffworks.com/10-beatles-singles.htm
For a week in 1964, the Beatles had 12 songs on Billboard's Hot 100. See our list of the Beatles' top singles.
What Did Abraham Lincoln Invent?
science.howstuffworks.com/innovation/famous-inventors/what-did-abraham-lincoln-invent.htm
Well before becoming the 16th president of the United States, the young Abraham Lincoln was known for his interest in engineering and mechanics. What patent does Lincoln hold, and was his invention ever made?
Did Prince Amleth the Viking of 'The Northman' Actually Exist?
history.howstuffworks.com/history-vs-myth/amleth-viking.htm
Brought to life on the screen by Alexander Skarsgård, the story of Amleth the Viking was the inspiration for Shakespeare's "Hamlet." But who was Prince Amleth?
Was the Horse Head in 'The Godfather' Based on a Real Event?
entertainment.howstuffworks.com/horse-head-in-godfather-real-event.htm
Yes, the severed horse head in 'The Godfather' is real -- but is the scene inspired by a real event? Read on for the truth about the gory moment.
Which Celebrity Would Fall in Love With You at First Sight?
play.howstuffworks.com/quiz/which-celebrity-would-fall-in-love-with-you-at-first-sight
For some reason (any reason), you walk into a star-studded Hollywood party. Everyone is dressed to impress, but a hush falls over the crowd when you enter. All eyes turn to you. A celebrity falls in love with you at first sight. But which one?
Project MKUltra: When the CIA Tested LSD on Unsuspecting Americans
history.howstuffworks.com/history-vs-myth/cia-lsd.htm
CIA obtained LSD for experimental purposes -- CIA operatives tested LSD on unsuspecting Americans in the 1950s. Read about the CIA and LSD in the 1950s.