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Have invasive species caused any extinctions?
science.howstuffworks.com/environmental/green-science/have-invasive-species-caused-extinctions.htm
Introducing a new species into an ecosystem can have unforeseen and disastrous consequences for the species that already live there.
3 Types of Trees You'll Find All Over the Planet
science.howstuffworks.com/life/botany/types-of-trees.htm
Trees are one of nature’s most incredible designs, providing oxygen, shelter and even maple syrup! From towering evergreens to small flowering plants, the diversity of trees is truly mind-blowing.
Marmot vs. Groundhog Habitats and Hibernation Patterns
animals.howstuffworks.com/mammals/marmot-vs-groundhog.htm
Ah, the great marmot vs. groundhog distinction. These two burrowing, chubby members of the squirrel family that are often mistaken for the same animal.
10 Most Protective Dog Breeds to Lovingly Guard Your Family
animals.howstuffworks.com/pets/most-protective-dog-breeds.htm
Some dogs were born to guard. With sharp instincts, bold temperaments, and deep loyalty, the most protective dog breeds offer both companionship and security.
Why Does My Cat Headbutt Me? What Is It Trying to Tell Me?
animals.howstuffworks.com/pets/why-does-my-cat-headbutt-me.htm
If your cat walks up, lowers its head, and gently bumps you with its forehead, you might wonder, why does my cat headbutt me? That tender nudge is more than a cute quirk; it’s a meaningful message in feline language.
The African Clawed Frog and Early Pregnancy Tests
animals.howstuffworks.com/amphibians/african-clawed-frog.htm
Meet the African clawed frog, a fully aquatic amphibian that's part living fossil, part lab legend, and part ecological wildcard.
Wood Roach vs. Cockroach: Which Are You Dealing With?
animals.howstuffworks.com/insects/wood-roach-vs-cockroach.htm
Spotting a roach can trigger immediate alarm but not all roaches are the same. While wood roaches might startle you, they aren't the same threat as German or American cockroaches.
10 Weirdest Fish in the World: Batfish, Hairy Frogfish, and More
animals.howstuffworks.com/fish/weirdest-fish-in-the-world.htm
Earth’s oceans are home to some seriously strange swimmers. From fish with transparent heads to bottom dwellers that pack an electric punch, the weirdest fish in the world come in all shapes and sizes.
How CGI Scripting Works
computer.howstuffworks.com/cgi.htm
CGI scripts are used to create dynamic Web pages. When you fill out and submit a form or add your name to a guestbook, you're using CGI. Learn what CGI is and how to create your very own scripts.
What Is Augmented Reality?
computer.howstuffworks.com/augmented-reality.htm
Augmented reality is explained in this article. Learn about augmented reality.