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Your search for "category proof theory" returned 31 results
Why do movie posters look so much alike?
entertainment.howstuffworks.com/why-do-movie-posters-look-alike.htm
Tons of movie posters are blue and orange because the colors contrast so well. Learn more about why movie posters look alike at HowStuffWorks.
How Motivational Speakers Work
people.howstuffworks.com/culture-traditions/cultural-traditions/motivational-speakers.htm
HowStuffWorks takes a look at what makes motivational speakers so powerful and why millions flock to hear them speak every year.
How Cannibalism Works
people.howstuffworks.com/cannibalism.htm
Cannibalism is a topic that's widely misunderstood and feared -- especially in the Western world. Learn about cannibalism and ancient and modern practitioners.
Airline Travel for Pets Guide
animals.howstuffworks.com/pets/pet-travel/airline-travel-for-pets.htm
Airline travel for pets can be complicated, especially if you don't have the required materials. Learn all about airline travel for pets at.
10 Times Humanity Found the Answer (and Then Forgot)
history.howstuffworks.com/10-times-humanity-found-answer-and-then-forgot.htm
Could humanity be even farther ahead if we hadn't forgotten what we'd learned centuries ago? Learn about 10 times we forgot answers at HowStuffWorks.
How Animal Migration Works
animals.howstuffworks.com/animal-facts/animal-migration.htm
Animal migration is crucial to the survival of that particular species of animal. Learn about animal migration and why animal migration is important.
How Electroconvulsive Therapy Works
science.howstuffworks.com/life/inside-the-mind/human-brain/electroconvulsive-therapy.htm
Most of us don't intuitively classify electroshocks as therapeutic, but this 1950s-era treatment has changed a lot since it was first introduced. When and why do mental health experts now turn to it?
How Evolution Works
science.howstuffworks.com/life/evolution/evolution.htm
Evolution is fascinating because it attempts to answer one of the most basic human questions: Where did life, and human beings, come from? The theory of evolution proposes that life and humans arose through a natural process.
How Numerology Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/numerology.htm
Numerology says everything in the world is dependent upon the mystical properties of numbers. But critics aren't so sure.
How Narwhals Work
animals.howstuffworks.com/mammals/narwhal.htm
Narwhals, the unicorns of the sea, are unusual tusked whales who like icy ocean waters. See what else makes narwhals interesting whales indeed.