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Your search for "human" returned 7,211 results
What's the Country With the Most Wild Tigers?
animals.howstuffworks.com/mammals/country-with-most-wild-tigers.htm
If you are asking about the country with the most wild tigers, the answer is clear, but the story behind it spans conservation, habitat loss, and decades of recovery work.
How Terrorism Works
people.howstuffworks.com/terrorism.htm
Terrorism targets civilians and uses fear to achieve an objective. Learn how governments and guerrillas practice terrorism.
U.S. Pet Travel Laws Guide
animals.howstuffworks.com/pets/pet-travel/us-pet-travel-laws.htm
U.S. pet travel laws vary greatly depending on the mode of travel. Learn more about U.S. pet travel laws at Animal Planet.
How to Get Rid of Roaches with Boric Acid
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You've been seeing roaches on the kitchen counter and want to get rid of them without using those horrible-smelling sprays. Learn about how to get rid of roaches with boric acid in this article.
How the 'Alien' Xenomorph Works
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You've always wondered how the xenomorph in 'Alien' worked. Now it's time to go behind the scenes and meet the xenomorph in 'Alien.'
How Spiders Work
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Spiders are some of the most successful carnivores in history. Learn how spiders build webs and attack prey and examine cool spider species like jumping spiders.
How Sharks Work
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Sharks are one of the most sophisticated and enduring creatures. Learn about shark movement, shark senses, shark teeth, the daily life of sharks and threats to sharks.
How Men Work
people.howstuffworks.com/men.htm
The idea that men are better at math and science than women are is one of many stereotypes that doesn't hold up well under scientific scrutiny. Learn exactly what makes men different from women and find out whether other common perceptions about men are accurate.
How Fear Works
science.howstuffworks.com/life/inside-the-mind/emotions/fear.htm
Fear is the brain's reaction to a stimulus where chemicals are released that raise the heart rate. Learn about fear and the different fear responses.
L-arginine: What You Need to Know
health.howstuffworks.com/wellness/natural-medicine/alternative/l-arginine.htm
L-arginine can be used to treat many ailments and illnesses. Learn all about l-arginine and other alternative medicines at HowStuffWorks.