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Tropical Rainforest Guide: How Rainforests Work
science.howstuffworks.com/environmental/conservation/issues/rainforest.htm
Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.
How a Symbiotic Relationship Works
science.howstuffworks.com/life/evolution/symbiosis.htm
Symbiosis can be mutually beneficial, helping two creatures survive in a hostile environment. Learn about the different forms of symbiosis.
How is volcanic ash made?
science.howstuffworks.com/nature/natural-disasters/volcanic-ash.htm
Volcanic ash is what's left after a volcano literally blows its top. Learn how volcanic ash can devastate everything under its gray blanket.
Is anyone developing lifetime engine oil?
auto.howstuffworks.com/lifetime-engine-oil.htm
Is someone really developing lifetime engine oil for your car or truck? Read more about lifetime engine oil at HowStuffWorks.
How often should you dust your dorm room?
home.howstuffworks.com/community-living/how-often-should-you-dust-your-dorm-room-.htm
If you're not dusting regularly, you're letting all kinds of gross things drift around your living space. Get tips on keeping your dorm dust-free.
Isis: Goddess of Funeral Rites and Healing in Ancient Egypt
people.howstuffworks.com/isis-goddess.htm
Isis, goddess of healing and funeral rites, was one of the most important Egyptian deities and arguably one of the most prominent female deities in the ancient world.
Home Remedies for Cats
animals.howstuffworks.com/pets/home-remedies-for-cats.htm
Home remedies for cats can stop a minor emergency from turning into a major crisis. Learn some valuable tips for curing your cat.
Climate Change Threatens the Moai of Easter Island
The statues of Easter Island have stood for over 800 years. See how climate change and rising seas are affecting them with HowStuffWorks.
Chronic Sinus Congestion
health.howstuffworks.com/diseases-conditions/respiratory/chronic-sinus-congestion.htm
Chronic sinus congestion can involve frequent and severe flare-ups, inhibiting normal daily life. Learn about chronic sinus congestion.
6 Anti-inflammatory Foods You Should Be Eating
health.howstuffworks.com/wellness/food-nutrition/facts/anti-inflammatory-foods.htm
HowStuffWorks looks at foods that lessen inflammation, including surprising choices like yogurt and maple syrup.