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5 Invasive Species That Might Conquer the World
science.howstuffworks.com/environmental/green-science/5-invasive-species-conquer-world.htm
Invasive species are found around the globe, and can be damaging to the world's ecosystems. Some invasive species seem almost unstoppable like these five.
Are You the Sun or the Moon Based on Your Personality?
play.howstuffworks.com/quiz/are-you-sun-moon-based-personality
When your light shines on the world, is it blinding or is it subtle? Tell us all about your personality, and we'll let you know how you light up the sky. Are you more like the sun or the moon?
Are You More Fire or Ice?
play.howstuffworks.com/quiz/are-you-more-fire-ice
For decades now, these two elements have been at the opposite ends of the same spectrum. Which of them is your personality most like? Take this quiz to find out!
What Crystal Are You?
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Are you optimistic like a Citrine Crystal, or are you more of an energy whiz like the Rose Quartz? Reveal the details of your soul, and we'll fill you in!
How the Enlightenment Worked
history.howstuffworks.com/historical-events/enlightenment.htm
The Enlightenment was a period of major intellectual change. Read about the Age of Enlightenment and the Enlightenment thinkers' impact on history.
Do you know which of these is bigger?
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We live in a world filled with things of all sizes. Some things are super-sized -- other things are simply teeny. Can you pick which of the following is bigger?
Can animals understand human language?
animals.howstuffworks.com/animal-facts/can-animals-understand-human-language.htm
Many humans are sure their pets understand a variety of commands. Learn if animals can really understand human language at HowStuffWorks.
How Locard's Exchange Principle Works
science.howstuffworks.com/locards-exchange-principle.htm
Are you interested in finding out how Locard's exchange principle works? Read this article to find out how Locard's exchange principle works.
Cadmium: The Highly Toxic Metal That Powers the World
science.howstuffworks.com/cadmium.htm
Cadmium is a natural metal and the leading component in rechargeable batteries and solar cells. It is also highly toxic and heavily regulated.
Muskrats Are Fat Little Rodents With a Signature Smell
animals.howstuffworks.com/mammals/muskrat.htm
They look a lot like beavers and the two rodents have a lot in common. But muskrats are their own species with their own signature scent.