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How the Mayan Calendar Works
people.howstuffworks.com/mayan-calendar.htm
The Mayan calendar was one of the first attempts by people to keep some sort of historical record. Learn more about how the Mayan calendar works.
Why Do We Sleep?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep.htm
Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?
12 Extinct Animals That Once Roamed the Earth
animals.howstuffworks.com/extinct-animals/extinct.htm
Learn more about the top 10 most mysterious creatures to disappear from the earth.
Mercury Retrograde Explained: Dates, Effects, and How to Cope
science.howstuffworks.com/mercury-retrograde.htm
Mercury Retrograde is coming. Is your life about to turn upside down? Discover the dates you must know & how to avoid total disaster.
How the Shar-Pei Got Its Wrinkles
animals.howstuffworks.com/pets/shar-pei.htm
The Shar-Pei is one of the most unusual-looking dogs around and has a fascinating history. HowStuffWorks checks out this wrinkly canine.
Eye Twitching Superstition: Unveiling the Mysteries
people.howstuffworks.com/right-eye-twitching-superstition-meaning.htm
Discover the intriguing meaning behind right eye twitching superstitions. Uncover cultural beliefs and facts about this phenomenon.
Polycystic Ovary Syndrome on the Brain
health.howstuffworks.com/wellness/women/pos/polycystic-ovary-syndrome-brain.htm
Polycystic ovary syndrome may not originate in the ovaries at all. Learn more about this common disorder at HowStuffWorks.
Risks of Overtraining
health.howstuffworks.com/wellness/diet-fitness/information/risks-of-overtraining.htm
The risks of overtraining include an increased chance of injury. Learn how to gauge whether you're overtraining.
Are There Really More Accidents Around Daylight Saving Time Changes?
Time changes can cause you lose or gain an hour of sleep. It can also be possibly dangerous for drivers.
How the Dawes Act Stole 90 Million Acres of Native American Land
history.howstuffworks.com/american-history/dawes-act.htm
An alliance between well-meaning social reformers and land-hungry farmers resulted in a federal act that caused Native Americans to lose millions of acres of land they had once owned.