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Why Do Bruises Change Colors as They Heal?
It's super weird that a bruise changes from deep purple to green to yellow during the healing process. HowStuffWorks looks into this strange process.
Turning Air Pollution Into Ink
science.howstuffworks.com/innovation/new-inventions/air-pollution-into-ink.htm
HowStuffWorks explores AIR-INK, the result of a process that converts air pollution into ink.
10 Colorful Spiders: Natural Works of Art or Pests? You Decide
animals.howstuffworks.com/insects/colorful-spiders.htm
Some spiders blend into the background. Others? They demand your attention. Colorful spiders light up forests, flowers, and even backyards with a dazzling range of hues—and there's more to that brilliance than meets the eye.
12 Colorful Frog Species: From Tie-dyed Designs to Rare Hues
animals.howstuffworks.com/amphibians/colorful-frog.htm
Some frogs blend into mud or leaves. Others look like someone spilled a paint set on them. These colorful frog species are so bright and beautiful, they seem designed to be seen.
Why do rhinos charge anything unfamiliar?
animals.howstuffworks.com/mammals/rhinos-charge.htm
Rhinos charge potential threats, including inanimate objects every once in a while. Learn why rhinos charge and what their biggest threat is.
5 Myths About How Cars Used to Work
history.howstuffworks.com/history-vs-myth/5-myths-about-how-cars-used-to-work.htm
Not everything you know about how cars work, especially about how older cars work, is necessarily true. Learn more at HowStuffWorks.
Willie O'Ree's Unsung Story of Breaking the NHL's Color Barrier
history.howstuffworks.com/historical-figures/willie-oree.htm
He's been called the "Jackie Robinson of hockey" and yet hardly anybody knows his name. So who is Willie O'Ree and why is he finally getting his due?
What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
Can the color of a room affect your mood?
home.howstuffworks.com/home-decor/decorating-styles-techniques/color-of-room-affect-mood.htm
Are you wondering if the color of a room can affect your mood? Check out this article to find out if the color of a room can affect your mood.
The Animal Kingdom Trivia Quiz
play.howstuffworks.com/quiz/the-animal-kingdom-trivia-quiz
So, you love everything there is about the animal kingdom, do you? Well, let's see if you know some of these amazing facts! They will surely test you...