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Are the Polar Ice Caps Melting Faster Than We Thought?
science.howstuffworks.com/environmental/earth/geophysics/question473.htm
The polar ice caps have been in the news recently because of their alleged shrinking due to global warming. How much would the oceans rise if the ice caps melted completely?
The Arctic Food Web (and Why Ice Matters So Much)
animals.howstuffworks.com/animal-facts/arctic-food-web.htm
The arctic food web explains how energy moves through one of the coldest ecosystems on Earth. From microscopic algae trapped in sea ice to apex predators like polar bears, every organism depends on another for food.
The Arctic Ocean and Why You Literally Can't Live Without It
science.howstuffworks.com/environmental/earth/arctic-ocean.htm
The Arctic Ocean sits at the top of the planet, wrapped around the geographic North Pole and within by the Arctic Circle.
Pole Shift: Why Does the North Pole Move?
science.howstuffworks.com/environmental/earth/geophysics/question782.htm
The North Pole and why it moves are explained in this article. Learn about the North Pole.
How 15 Winter Animals Survive Frigid Temperatures
animals.howstuffworks.com/wild-animals/winter-animals.htm
Winter animals have to be resilient to endure cold temperatures and adapt to food scarcity in order to survive in extreme environments.
Andes Mountains: Home to Rainforests, Volcanoes and Alpacas
science.howstuffworks.com/environmental/earth/andes-mountains.htm
The Andes mountains span over 4,300 miles along South America's western edge, traversing seven countries from Venezuela to Chile. Famous for its towering peaks like Aconcagua and ancient ruins such as Machu Picchu, the Andes are a captivating mix of natural wonders and historical treasures.
The Biggest Bear Stands 5 Feet Tall on All Fours (Not Even on Its Hind Legs)
animals.howstuffworks.com/mammals/biggest-bear.htm
Polar bears are one of the largest mammals on land; only the African elephant can tower over the polar bear in this corner of the animal kingdom. But how do you measure the biggest bear? By height or by weight?
The Largest Desert in the World Isn't the Sahara
science.howstuffworks.com/environmental/earth/geology/largest-desert-in-world.htm
If you think the largest desert in the world is hot and sandy, think again. These 10 deserts spanning the globe are massive, but they're not all sunbaked.
How can two seemingly unrelated species that live in isolation from each other evolve into identical forms?
science.howstuffworks.com/life/evolution/parallel-evolution.htm
Parallel evolution leads two seemingly unrelated species living in isolation from each other to evolve into identical forms. How? Learn about parallel evolution.
How Global Warming Works
science.howstuffworks.com/environmental/green-science/global-warming.htm
Global warming is becoming an increasingly important issue. Find out what causes global warming and learn how we can decrease the effects of global warming.