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A Pet Seahorse Requires Extremely Specific Tank Conditions
animals.howstuffworks.com/fish/pet-seahorse.htm
A pet seahorse can be a rewarding marine companion, but keeping one healthy requires more than a pretty tank and good intentions.
Black Peter, aka Zwarte Piet, Becomes 'Soot Piet' Amid Controversy
people.howstuffworks.com/culture-traditions/holidays-christmas/black-peter.htm
The story of Black Peter (Zwarte Piet) is one of the most debated traditions in Dutch society today.
Why Did Ancient Egypt Fall When Rome Entered the Picture?
history.howstuffworks.com/world-history/why-did-ancient-egypt-fall.htm
Why did ancient Egypt fall? Settle in for the story of how one of the longest-lasting civilizations in the ancient world slowly lost power.
Why Did the Ottoman Empire Fall During the Industrial Revolution?
history.howstuffworks.com/world-history/why-did-the-ottoman-empire-fall.htm
Why did the Ottoman Empire fall? There's no single answer. It was a slow-motion collapse fueled by internal dysfunction, foreign intervention and the brutal modernity of war.
How Carbon Capture Works
science.howstuffworks.com/environmental/green-science/carbon-capture.htm
We know that humans are largely responsible for fueling global warming with our carbon emissions. So what if we could seize all that carbon and squirrel it away in a safe place? Well, we can. It's just hard and really expensive.
How Nuclear Submarines Work
science.howstuffworks.com/nuclear-submarine.htm
Nuclear submarines are powered by nuclear reactors and may carry nuclear weapons. Read about nuclear submarines and how they changed the world's oceans forever.
Cholesterol Tests
health.howstuffworks.com/medicine/tests-treatment/cholesterol-tests.htm
A cholesterol test is the first step in getting your blood-cholesterol level under control. Find out what happens in this simple blood test.
How Hydropower Plants Work
science.howstuffworks.com/environmental/energy/hydropower-plant.htm
Hydropower plants produce about 24 percent of the world's electricity and supply more than 1 billion people with power. Find out how hydropower plants work.
How Grenades Work
science.howstuffworks.com/grenade.htm
Grenades are a devastatingly effective weapon on the battlefield. Find out what happens when a soldier pulls the pin and tosses one of these miniature bombs at the enemy.
How Ultrasound Works
science.howstuffworks.com/ultrasound.htm
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?