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Your search for "bacteria" returned 217 results
How Gene Pools Work
science.howstuffworks.com/life/genetic/gene-pool.htm
The physical you is a result of your DNA, and your DNA is part of the human gene pool. Find out what the "gene pool" really is and what happens when it shrinks.
Why Do I Get Sick So Often
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When you get sick, your illness can be caused by several different factors. Learn why you get sick at HowStuffWorks.
Do Large Undiscovered Species Still Exist?
What are the chances there are still large, undiscovered animals on the planet? More likely than you might think.
How Cave Biology Works
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Cave biology is the study of the animal specimens that live and evolve in caves. Learn about cave biology and cave animals in this article.
How Gas Masks Work
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Gas masks are used to filter out harmful gas and particles from the air industrial workers breathe. Learn about gas masks and how gas masks are made.
How NASA Planetary Protection Works
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What if your job were to protect life in the galaxy at all costs? Read about NASA's Planetary Protection program at HowStuffWorks.
How Sourdough Bread Works
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Sourdough bread tastes great, but have you ever thought about it as a technology??? Learn how this technology works!
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.
5 Reasons Parasites Are Beneficial to Earth
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You probably think all parasites are disgusting little critters, but that's not always the case. Several are actually critical to the planet.
Chloroplasts Are the Plant Cells That Manufacture Energy
science.howstuffworks.com/life/cellular-microscopic/chloroplasts.htm
Chloroplasts are where some of the most miraculous chemistry on Earth goes down.