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3 Types of Dinosaurs and Their Many Subtypes
animals.howstuffworks.com/dinosaurs/types-of-dinosaurs.htm
Types of dinosaurs include the lizard-hipped dinosaurs and the bird-hipped divisions of dinosaurs. Both of these types of dinosaurs probably shared a common ancestor during the Middle Triassic. How else are these dinosaurs related?
How Human Migration Works
science.howstuffworks.com/life/evolution/human-migration.htm
Human migration is the idea that humans developed in Africa and then spread to Europe and Asia. Learn about human migration and how human migration works.
How Offshore Drilling Works
science.howstuffworks.com/environmental/energy/offshore-drilling.htm
Offshore drilling means combing Earth for new underwater oil reserves. Learn more about offshore drilling and finding oil in the midst of rough seas.
If I Have a Gas Leak in My Home, Will I Die?
home.howstuffworks.com/home-improvement/household-safety/gas-leak-home.htm
A gas leak is not a good thing. There's a reason it has that awful odor -- to warn you of danger. Learn more about the dangers of a gas leak.
There Are More Animals That Start With 'X' Than You'd Expect
animals.howstuffworks.com/animal-facts/animals-that-start-with-x.htm
Scientists have developed several methods for grouping different members of the animal kingdom by species or unique characteristics. However, there is arguably no better method for learning fun facts than by listing animal names alphabetically. These are just a few animals that start with X.
How the Iowa Stored Energy Park Will Work
science.howstuffworks.com/environmental/green-science/iowa-stored-energy-park.htm
The Iowa Stored Energy Park will use wind to generate electricity and will store unused wind underground. Learn about the Iowa Stored Energy Park.
How 'Tremors' Graboids Work
entertainment.howstuffworks.com/tremors-graboids.htm
Graboids, from the film Tremors, are man-eating worms that live in Nevada. Learn about the science of Graboids in this article.
What is a hydrogen fuel reformer?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/hydrogen-fuel-reformer.htm
All fuel cells require hydrogen to work. Learn more about a hydrogen fuel reformer from this article.
The Great Flood: More Than a Myth?
science.howstuffworks.com/nature/climate-weather/storms/great-flood.htm
Many cultures have a flood myth -- an ancient story of a deluge that swallowed the Earth. So could a great flood really have happened, and how would we be able to tell?
Why Do Kangaroos Hop?
animals.howstuffworks.com/mammals/kangaroo-hopping.htm
Kangaroos hop with the help of powerful toes and springy tendons. Learn how kangaroos hop across terrain, and if they're physically able to walk.