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Why Are Pets Disappearing From Pet Stores?
animals.howstuffworks.com/pets/why-are-pets-disappearing-pet-stores.htm
What trends affect the pet store industry and pet sales? Read this HowStuffWorks article to understand declining pet sales, pet adoption and rescue.
What Countries Use the Imperial System?
science.howstuffworks.com/why-us-not-on-metric-system.htm
Most of the world uses the metric system for everyday measurements, but only three countries in the world use the imperial system as their official system of measurement.
Why Is a Four-leaf Clover Lucky?
people.howstuffworks.com/why-are-four-leaf-clovers-lucky.htm
For centuries, people have considered the four-leaf clover to be magical. Learn more about four-leaf clovers and their luck factor at HowStuffWorks.
Why DNA Evidence Can Be Unreliable
science.howstuffworks.com/why-dna-evidence-can-be-unreliable.htm
DNA found at a crime scene doesn't automatically mean the person matching it is guilty, say researchers of new forensics guide.
Why Won't My Eye Stop Twitching?
health.howstuffworks.com/human-body/systems/eye/why-wont-my-eye-stop-twitching.htm
The eye twitching that's driving you crazy - it can be caused by lots of things. HowStuffWorks looks at them; don't worry, most are harmless.
Why World War I Became the 'Forgotten War'
history.howstuffworks.com/historical-events/why-world-war-became-forgotten-war.htm
The 100-year anniversary of the end of World War I offers up a second chance to learn from our mistakes. HowStuffWorks looks at what we need to know.
Why Flash Floods Are So Dangerous
science.howstuffworks.com/nature/natural-disasters/why-flash-floods-are-so-dangerous.htm
Both dry and over-saturated soil can contribute to flash flooding. Can anything be done to prevent them from becoming catastrophic?
The Enigma of 137: Science's Most Magical Number
science.howstuffworks.com/dictionary/physics-terms/why-is-137-most-magical-number.htm
The number 137, which is significant in multiple applications, has long been an object of fascination for physicists, mathematicians and mystics.
Walking Under a Ladder: What's Behind This Superstition?
people.howstuffworks.com/why-is-walking-under-ladder-unlucky.htm
There are numerous superstitions that we unthinkingly adhere to, such as walking under a ladder. But why is it supposed to be so unlucky?
How Hot Is the Sun? Colder, the Closer You Get!
science.howstuffworks.com/why-sun-atmosphere-hotter-than-surface.htm
How hot is the sun, and why does this star's atmosphere hit higher temperatures than its core? Read on to learn about the weird physics.