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Why Was Phrenology All the Rage in Victorian Times?
science.howstuffworks.com/life/inside-the-mind/human-brain/phrenology.htm
Phrenology, the belief that you could determine personality from the shape of someone's skull, was so popular in the Victorian era that phrenology parlors sprang up all over Europe and America. But the trend was soon debunked.
How Do Tire Pressure Sensors Work
You may have noticed that one of the lights on your console is shaped like a tire with an exclamation point in the middle. This is a tire pressure monitoring system, which lets you know if your tires are underinflated.
The Light and Airy Lyre Has Plucked Its Way Through the Ages
entertainment.howstuffworks.com/lyre.htm
The lyre is a small U-shaped harp that has appeared all over the world, from the ancient Greco-Roman culture, to India, Africa and beyond. Do people still play this ancient stringed instrument?
Pet Frogs: Best for 'Look but Don't Touch' Owners
animals.howstuffworks.com/pets/otherpets/pet-frogs.htm
Thinking about getting a pet that hops instead of walks? Frogs might be the answer. Pet frogs come in a variety of shapes, sizes and colors, and with the right setup, they can be low-maintenance animals that are fun to observe.
Can You Tell What Countries These International Border Crossings Are In?
play.howstuffworks.com/quiz/can-you-tell-what-countries-these-international-border-crossings-are-in
Borders delineate the shapes of nations and the limits of their reach, culturally, militarily and in terms of natural resources. Border crossings have been flashpoints throughout history. Could you recognize them if you saw them?
If You Pass This Pop Culture Quiz You're Probably a Millennial
play.howstuffworks.com/quiz/if-you-pass-this-pop-culture-quiz-youre-probably-under-25
Tamagotchis, cell phones and the internet are the things that helped shape you. You grew up in the '90s and 2000s, and now's your chance to prove how much you remember by taking this quiz!
The Most Powerful People in the World Aren't Always the Richest
history.howstuffworks.com/historical-figures/most-powerful-people-in-the-world.htm
Power. Influence. Control. These aren't just buzzwords; they shape how the world runs. If you want to understand how decisions ripple across the globe, you need to look at the most powerful people in the world.
How to Find the Area of a Triangle
science.howstuffworks.com/math-concepts/area-of-a-triangle.htm
With its three sides and three angles, the triangle is one of the most basic shapes in geometry. This means calculating the area of a triangle is a fundamental skill in geometry, with multiple formulas available depending on the type of triangle and the given data.
Biotic Factors vs. Abiotic Factors: Examples and Dependencies
science.howstuffworks.com/life/biology-fields/biotic-factors.htm
The natural world is a finely-tuned balance of biotic (living) and abiotic (nonliving) components that shape our environments. Various biotic factors directly affect processes like population growth, plant growth and nutrient cycling.
The Largest Wildfire in World History Burned 15% of a Continent
science.howstuffworks.com/nature/natural-disasters/largest-wildfire-in-world-history.htm
Wildfires have shaped landscapes, ecosystems and human history for centuries. Some of the deadliest wildfires have burned across millions of acres, leaving behind devastation and reshaping the way we manage fire-prone environments.