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Why Are Some Comets Green?
science.howstuffworks.com/green-comet.htm
News headlines talk about a rare green comet appearing in the sky. The comet itself is rare, but green comets, not so much. What makes some comets appear green?
Why Does Earth Spin?
science.howstuffworks.com/why-does-earth-spin.htm
Every 24 hours, Earth makes a full rotation on its axis. But why does Earth spin in the first place?
Stories and (Alleged) Sightings of the Loch Ness Monster
science.howstuffworks.com/science-vs-myth/strange-creatures/loch-ness-monster.htm
Explore Loch Ness Monster tales, sightings and pop culture references. From the Surgeon's Photograph to plesiosaur theories, delve into the enduring mystery.
What Was the First Photo Ever Taken?
science.howstuffworks.com/innovation/inventions/first-photo-ever-taken.htm
Joseph Nicéphore Niépce is responsible for the first photo ever taken. Almost lost to time, the image used a process called heliography.
Power Loom: An Essential Industrial Revolution Invention
science.howstuffworks.com/innovation/inventions/power-loom.htm
The power loom was one of the most significant inventions of the Industrial Revolution. Learn more about the mechanized device that transformed the textile industry.
Who Invented the Assembly Line?
science.howstuffworks.com/innovation/inventions/who-invented-the-assembly-line.htm
The assembly line didn't kick off with Henry Ford and the Model T, but Ford played a big role in changing the landscape of manufacturing forever.
How to Add Fractions: A Step-by-Step Process
science.howstuffworks.com/math-concepts/how-to-add-fractions.htm
If you're already familiar with subtracting fractions, learning how to add fractions will be a piece of cake for you. And if you haven't learned how to subtract fractions yet, don't worry - we've got you covered!
The Yeti, aka Abominable Snowman: A Classic Cryptid
science.howstuffworks.com/science-vs-myth/strange-creatures/yeti.htm
The Yeti, often referred to as the "Abominable Snowman," is a legendary creature from Himalayan folklore.
How can a corpse be incorruptible?
people.howstuffworks.com/incorruptible.htm
Incorruptible bodies -- corpses that don't decay -- are a scientific mystery. Read why incorruptible bodies are hard to explain and where to find them.
Bad Luck Comes in Threes: Separating Superstition from Reality
people.howstuffworks.com/bad-luck-comes-in-3.htm
Explore the belief that bad luck comes in threes. Uncover origins, cultural influences, and the psychology behind the superstition.