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How Dangerous Was the Ohio Chemical Train Derailment?
science.howstuffworks.com/environmental/green-science/ohio-train-derailment-news.htm
The disastrous Feb. 3 train derailment contaminated East Palestine, Ohio. We talked to an expert about the potential environmental and health impacts to come.
The 9 Longest Rivers in the World: From the Nile to the Congo
science.howstuffworks.com/environmental/earth/geophysics/9-longest-rivers-in-world.htm
When it comes to rivers, longest doesn't necessarily mean biggest, and length can be difficult to determine, so the top spot will always be debated.
How Fire Works
science.howstuffworks.com/environmental/earth/geophysics/fire.htm
Few things have done as much harm to humanity as fire, and few things have done as much good. Find out where fire comes from and see why it behaves the way it does. The answers might surprise you!
How does natural gas drilling work?
science.howstuffworks.com/environmental/energy/natural-gas-drilling.htm
When you switch on your furnace or turn on your gas stove and use the heat from that little blue flame, you're doing what people in 62 million other American homes do every day, too: You're using natural gas.
How Do Hand Warmers Work? A Scientific Look
science.howstuffworks.com/disposable-hand-warmers.htm
Hand warmers work through simple chemistry. A massively sped-up version of oxidation (the chemical reaction that makes rust) is to thank.
What Causes Tornadoes? How Tornadoes Work
science.howstuffworks.com/nature/climate-weather/storms/tornado.htm
Tornadoes leave destruction in their wake. Learn why tornadoes rotate, how experts rate tornadoes and view pictures of damage caused by tornadoes.
What's the difference between stalactites and stalagmites?
science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm
Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.
How Photosynthesis Captures Light and Powers Life on Earth
science.howstuffworks.com/life/cellular-microscopic/photosynthesis.htm
No life, except possibly very small bacteria, would exist on Earth without photosynthesis.
How could adding lime to seawater cut atmospheric CO2?
science.howstuffworks.com/environmental/green-science/lime-seawater.htm
Adding lime to seawater could increase the efficiency of the world's oceans as carbon sinks. Learn about adding lime to seawater and carbon sinks.
How Automatic Solar Panel Cleaning Systems Work
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Automatic solar panel cleaning makes solar panels far more efficient. Visit HowStuffWorks to learn all about automatic solar panel cleaning.