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What Is an Isotope?
science.howstuffworks.com/isotopes.htm
You don't need to be a fan of chemistry to appreciate isotopes. They affect geology and medicine, too.
Can You Pass This English Test for Non-Native Speakers?
play.howstuffworks.com/quiz/can-you-pass-this-english-test-nonnative-speakers
The rules of English are difficult even for native speakers, but can be even more so for non-native speakers. If you think you've got what it takes, let's see if you could ace an English test for non-native speakers.
Can You Ace This Hard Harry Potter Quiz?
play.howstuffworks.com/quiz/the-hardest-harry-potter-quiz-youll-take-today
It's levi-O-sa, not levi-o-SA - or is it? There's tons to know in the magical world of Harry Potter. From heroes and villains to classes and spells, can you pass this Harry Potter quiz?
Medusa Was a Victim Before Becoming a Snake-haired Gorgon
history.howstuffworks.com/history-vs-myth/medusa.htm
The most famous story about her says she was so hideous that people who gazed at her would turn to stone. But Medusa was a victim of the Greek gods as well as a victimizer.
When Was the Eiffel Tower Built? Eiffel Tower History and Future
science.howstuffworks.com/engineering/architecture/eiffel-tower-maintenence-news.htm
At 984 feet tall, Paris' landmark Eiffel Tower is no picnic to maintain, so how is it done and who is responsible for keeping it standing and painted?
Maillardet's Automaton Is a Marvel of 19th-century Robotics
science.howstuffworks.com/maillardets-automaton.htm
Maillardet's Automaton, built around 1800, can write poems and draw pictures and was a precursor to today's sophisticated robots.
Crystal Flutes and Human Hair: 8 Random Items Found in the Library of Congress
history.howstuffworks.com/american-history/library-of-congress-collections.htm
When singer Lizzo played a glass flute owned by President James Madison, we stopped to wonder what else might be hiding in the Library of Congress.
What Are the 7 Largest Countries in the World by Area?
science.howstuffworks.com/environmental/earth/geophysics/largest-countries-in-world-by-area.htm
The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?
How Ice Rinks Work
entertainment.howstuffworks.com/ice-rink.htm
The things people do on ice rinks are so spectacular, we sometimes forget how remarkable ice rinks themselves are. Maintaining a proper ice rink is a real feat of engineering. Get a behind the scenes look at this very cool technology.
How Verbal Self-Defense Works
people.howstuffworks.com/vsd.htm
A fascinating article that explains the techniques and science behind verbal self-defense!