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What Is a Flood and Why Is the Surge of Water So Dangerous?
science.howstuffworks.com/nature/natural-disasters/flood.htm
Flooding has claimed more lives than any other natural disaster. Find out how a gentle stream becomes a raging torrent.
What Is a Ghost Flight?
science.howstuffworks.com/transport/flight/modern/what-is-ghost-flight.htm
Airlines are flying planes with no passengers, due to the outbreak of coronavirus, but also for economic reasons having nothing to do with disease.
What Is a Glacier? Everything to Know About These Ice Masses
science.howstuffworks.com/environmental/earth/geophysics/glacier.htm
Glaciers are rivers of ice and are the largest moving objects on Earth. Learn about glaciers and find out how much freshwater are frozen in glaciers.
What Is a Green Roof?
science.howstuffworks.com/environmental/green-science/green-rooftop.htm
A green roof is a roof that is covered in plants, which reduces stormwater run-off and lowers cooling costs. Find out how a green roof can help the environment.
What Is a Light-year?
science.howstuffworks.com/dictionary/astronomy-terms/question94.htm
A light-year is a way of measuring distance, which doesn't make much sense because "light-year" contains the word "year," which is normally a unit of time. So, how does a light-year measure distance?
What Is a Nor'easter?
science.howstuffworks.com/nature/climate-weather/storms/noreaster.htm
"Nor'easter" is one of those words that makes you think of an old mariner scanning the horizon for a pending storm. What does it really mean - and why don't we say "northeaster"?
What Is a Perfect Square?
science.howstuffworks.com/math-concepts/what-is-perfect-square.htm
A perfect square is a number, but it can also be explained using an actual square.
What Is a Performance-enhancing Drug? Here Are 10 Examples
science.howstuffworks.com/10-performance-enhancing-drugs.htm
The list of superstar athletes accused of - and admitting to - taking performance-enhancing drugs is almost as impressive as the number of sports that they compete in. And we're not just talking about steroids.
What Is a Punnett Square?
science.howstuffworks.com/life/genetic/punnett-square.htm
A Punnett square helps predict the possible ways an organism will express certain genetic traits, such as purple flowers or blue eyes.
What Is a Second Cousin? Unraveling the Family Tree
science.howstuffworks.com/life/biology-fields/cousins-tutorial.htm
Cousins are indeed complicated. Who's your first cousin once removed? What is a second cousin? And what are kissing cousins? We'll tell you.