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Differences Between Rational and Irrational Numbers
science.howstuffworks.com/math-concepts/rational-vs-irrational-numbers.htm
Rational numbers can be expressed as the ratio of two integers, while irrational numbers, such as square roots of non-square numbers, cannot.
15 Animals That Start With 'S': From Sea Lions to Scarlet Macaws
animals.howstuffworks.com/animal-facts/animals-that-start-with-s.htm
The animal kingdom is full of incredible creatures, and today we’re focusing on animals that start with "S." Some of them thrive in the wild today, while others once roamed the Earth but are now gone forever.
15 Brown Birds You'll Spot in the Northern Hemisphere
animals.howstuffworks.com/birds/brown-birds.htm
Brown birds are often ground-dwelling, foraging, nesting birds. In Native American cultures, birds are also sometimes seen as messengers between the spirit world and the physical realm, so a brown bird could be seen as bringing a connection to Earth, home, reliability, simplicity and consistency.
Blue Jellyfish Have Specialized Tissues in Place of Eyes, Brains, and More
animals.howstuffworks.com/marine-life/blue-jellyfish.htm
If you spot a splash of electric blue drifting along the shoreline, it's probably not a plastic bag. That pulsing blob is likely either a Portuguese man-of-war or a blue jellyfish, one of the most striking marine invertebrates you can find floating near beaches in the Northern Hemisphere (primarily in the North Atlantic region).
18 Scariest Horror Movies to Guarantee You Won't Sleep Tonight
entertainment.howstuffworks.com/scariest-horror-movies.htm
Some horror movies just make you squirm. Others make you check the locks. But the scariest horror movies? These are the ones that invade your dreams, hijack your pulse, and make you reconsider walking down that dark hallway. They're disturbing, intense, and engineered to make your brain scream.
How Cockroaches Work
animals.howstuffworks.com/insects/cockroach.htm
Cockroaches are creepy, but they're also very complex creatures. Learn about the anatomy of cockroaches and how to get rid of them.
How Moore's Law Works
computer.howstuffworks.com/moores-law.htm
Moore's Law says computer processors double in complexity every two years. What does that mean? Learn more about Gordon Moore and Moore's Law.
HCG Diet: What You Need to Know
health.howstuffworks.com/wellness/diet-fitness/diets/hcg-diet.htm
The hCG Diet is somewhat controversial. Learn more about the hCG Diet at HowStuffWorks.
Top 5 Unsolved Brain Mysteries
science.howstuffworks.com/life/inside-the-mind/human-brain/5-brain-mysteries.htm
Take a look at 5 brain mysteries to find out about the workings of the organ in your noggin. These 5 brain mysteries will have you scratching your head.
10 Weird Workouts
health.howstuffworks.com/wellness/diet-fitness/exercise/10-weird-workouts.htm
This list of weird workouts might give you some alternatives to endless rounds on the treadmill. Be entertained and inspired by these 10 weird workouts.