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Waterfall Pictures
science.howstuffworks.com/environmental/earth/geophysics/waterfall-pictures.htm
Waterfall pictures depicting some of the most beautiful waterfalls in the world. Check out this collection of waterfall pictures.
What Is the Butterfly Effect and How Do We Misunderstand It?
science.howstuffworks.com/math-concepts/butterfly-effect.htm
We may think the butterfly effect means that a small change (like the flap of a butterfly's wings) can have huge consequences (a tornado in China). But what if it means the opposite?
Arizona's Grand Falls Gushes to Life Again
science.howstuffworks.com/environmental/earth/geology/grand-falls-arizona.htm
Arizona isn't all desert. Take Grand Falls, aka "Chocolate Falls." It is dry most of the year, but when it rains, this waterfall pours.
Don't Go Chasing Waterfalls Quiz
play.howstuffworks.com/quiz/waterfalls-quiz
Earth is covered by water, but waterfalls are a rare treat. How much do you know about the world's waterfalls?
Global Geography: Great Rivers of the World Quiz
play.howstuffworks.com/quiz/great-rivers-of-world-quiz
There aren't many places in the world that a river doesn't run through. Take our quiz to see how much you know about the water that flows around the globe.
What Happens When a Keystone Species Goes Extinct?
science.howstuffworks.com/environmental/conservation/issues/keystone-species-extinct.htm
Keystone species in an ecosystem function much like a keystone in an arch. Without them the structure collapses. Learn about keystone species.
Nazaré's 80-foot Waves Intimidate Even Pro Big-Wave Surfers
science.howstuffworks.com/environmental/earth/oceanography/waves-nazare.htm
According to Guinness World Records, the waves in Nazaré, Portugal, are the biggest ever surfed. Scientists attribute the massive waves to an underwater canyon, but how does it work?
Why You Should Love the Much-maligned Magpie
animals.howstuffworks.com/birds/magpie.htm
Magpies are much-maligned as harbingers of doom, thieves of shiny objects and songbird eggs, but they're smart, monogamous for life and actually hold funerals for one another.
Can You Identify All of These Flowering Trees From an Image?
play.howstuffworks.com/quiz/can-you-identify-all-of-these-flowering-trees-from-an-image
Flowering trees can grow just about anywhere and they brighten up every location they're in. Show them some appreciation by matching them to their names in this quiz.
How in the World Does a Waterfall Freeze?
science.howstuffworks.com/nature/climate-weather/atmospheric/frozen-waterfall.htm
It might seem that the constant rushing of water over a falls would keep it from freezing, but that isn't always the case. Check out the science behind the phenomenon of the frozen waterfall.