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The Great London Smog of 1952
history.howstuffworks.com/historical-events/great-london-smog-1952.htm
A smog of epic proportions enveloped London in December of 1952. HowStuffWorks takes a look at the incident and its aftermath.
What Is Boyle's Law and Why Do I Already Know It?
science.howstuffworks.com/boyles-law.htm
Boyle's Law describes the relationship between pressure and the volume of a container with gas in it. As the volume of the container decreases, the pressure inside the container increases.
Why do we have boogers?
health.howstuffworks.com/human-body/systems/nose-throat/why-do-have-boogers.htm
There's a good reason why you shouldn't pick your boogers. Find out why we have boogers at HowStuffWorks.
Biotic Factors vs. Abiotic Factors: Examples and Dependencies
science.howstuffworks.com/life/biology-fields/biotic-factors.htm
The natural world is a finely-tuned balance of biotic (living) and abiotic (nonliving) components that shape our environments. Various biotic factors directly affect processes like population growth, plant growth and nutrient cycling.
Do cows pollute as much as cars?
animals.howstuffworks.com/mammals/methane-cow.htm
Cow flatulence produces the greenhouse gas methane, which is linked to global warming. Find out how scientists are working to reduce cow flatulence in livestock.
How Arborists Work
home.howstuffworks.com/lawn-garden/professional-landscaping/arborist.htm
Arborists help take care of trees, but that can be difficult; tree work often requires climbing and other hazards. Learn more about arborists.
How the Doomsday Ark Works
science.howstuffworks.com/doomsday-ark.htm
If the Earth is struck by calamity, will survivors find salvation in the proposed Doomsday Ark? The lunar-based vault will contain information that could help jumpstart a new civilization.
Science Projects for Kids: Soil Experiments
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-soil-experiments.htm
Science projects for kids: soil experiments let kids get their hands dirty while learning. Find out about science projects for kids: soil experiments.
How Many Oceans Are There?
science.howstuffworks.com/environmental/earth/oceanography/how-many-oceans-are-there.htm
The oceans take up most of the surface area of our planet and remain mostly unexplored. But how many oceans are there?