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What's the Difference Between Global Warming and Climate Change?
Global warming and climate change are terms often treated like synonyms, but they have different meanings. We'll explain the difference and why both are so important to know.
What's the Difference Between Pyrite and Gold?
science.howstuffworks.com/pyrite.htm
Don't know your fool's gold from the real deal? We'll tell you how to tell what's pyrite (aka fool's gold) and the good ol' 24 karat stuff you want.
What's the Difference Between Twilight and Dusk?
science.howstuffworks.com/nature/climate-weather/atmospheric/twilight-dusk.htm
Dusk is a beautiful time of day. So is twilight. But when does one turn into the other? And did you know there were three versions of each?
What's the Difference Between a Blood Moon and a Lunar Eclipse?
science.howstuffworks.com/blood-moon.htm
Blood moons always bring out the stargazers though they aren't that rare. So what makes blood moons red? And do they differ from lunar eclipses?
What's the Difference Between a Castle and a Palace?
science.howstuffworks.com/engineering/architecture/castle-palace-difference.htm
Castles and palaces may seem the same, in their grandiose architecture and palatial structure. But the two buildings were constructed by monarchs for different purposes.
What's the Difference Between a Cave and a Cavern?
science.howstuffworks.com/environmental/earth/geology/cave-cavern-difference.htm
One term might give you the impression of something grand and mysterious, while the other makes you think of claustrophobia-inducing environs that threaten human life. But what's the real difference?
What's the Difference Between a Lake and a Pond?
science.howstuffworks.com/environmental/earth/geophysics/lake-pond-difference.htm
It's not just the size that differentiates a lake from a pond. The real distinctions flow much deeper.
What's the Difference Between a Nautical Mile and a Mile?
science.howstuffworks.com/innovation/science-questions/question79.htm
What is a nautical mile, and how does it differ from a normal mile and a kilometer?
What's the Difference Between a Windmill and a Wind Turbine?
science.howstuffworks.com/windmill-vs-wind-turbine.htm
Windmills and wind turbines work on the same core principle to convert wind into energy, but one creates mechanical energy while the other creates electricity. Here's how they work.
What's the Difference Between an Avenue, a Road and a Boulevard?
science.howstuffworks.com/engineering/civil/difference-between-avenue-road-boulevard.htm
The name bestowed on a road depends on its size and function. And it's not just up to your neighborhood's developer either.