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Your search for "environment" returned 3,823 results
Do animals laugh?
animals.howstuffworks.com/animal-facts/do-animals-laugh.htm
Do animals laugh? Researchers have investigated whether animals are capable of making a unique sound in response to joy.
What Happens When We Sleep?
health.howstuffworks.com/mental-health/sleep/basics/what-happens-when-we-sleep.htm
Why do we sleep? What happens when we sleep? Learn more about sleep from Discovery Health.
Benefits of Drinking Water
health.howstuffworks.com/wellness/food-nutrition/healthy-eating/drinking-water.htm
Drinking water is essential, and we can only survive a few days at best without water. But is drinking eight glasses of water a day really necessary?
Cottonmouth: Snake With Potent Venom and Catlike Eyes
animals.howstuffworks.com/snakes/water-moccasin-cottonmouth.htm
Cottonmouth snakes are often called water moccasins and are one of only four venomous snakes found in North America.
Quiz: Test Your Knowledge of These Debunked Conspiracy Theories
science.howstuffworks.com/science-vs-myth/everyday-myths/conspiracy-theory-quiz.htm
Is the world run by the Illuminati or just some reptilian overlords? Test your knowledge of conspiracy theories with this HowStuffWorks quiz.
Is That Animal Sanctuary You Want to Visit Legit?
animals.howstuffworks.com/animal-facts/animal-sanctuary-legitimate.htm
Animal sanctuaries should provide animals with excellent care for the rest of their lives. But many don't. So how do you know if a sanctuary is legit?
The Dark History of Indigo, Slavery's Other Cash Crop
history.howstuffworks.com/world-history/indigo.htm
HowStuffWorks traces the history of indigo from its origins and use as a cash crop for blue dye to its replacement by synthetics in the 20th century.
Fruit Flies: The Science Superstars You Want Gone From Your Kitchen
animals.howstuffworks.com/insects/fruit-flies.htm
Fruit flies are annoying, but we also owe them a huge debt of scientific gratitude.
Do rubber tires insulate your car from lightning?
To paraphrase the band Queen, thunder and lightning are very, very frightening. Especially when you're stuck in a car in the middle of nowhere. But can your rubber tires protect you from a lightning strike?
Does It Rain on Other Planets?
science.howstuffworks.com/rain-other-planets.htm
Imagine sheets of methane, sulfuric acid and, yes, even diamonds falling from the sky. HowStuffWorks explains how it how it rains on other planets.