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The Ultimate Penguin Quiz
play.howstuffworks.com/quiz/penguin-quiz
Penguins are creatures you see in the zoo or in nature movies, unless you happen to have been part of an expedition to the North Pole. Take this quiz to learn a little more about these flightless birds.
If the temperature is 30 degrees F, why do we sometimes get snow and other times get freezing rain?
science.howstuffworks.com/nature/climate-weather/atmospheric/question302.htm
Precipitation can vary from rain to snow when the temperature is below freezing. Learn about precipitation.
Were the Clovis the first Americans?
history.howstuffworks.com/history-vs-myth/clovis.htm
The Clovis, ancient people who made the sophisticated Clovis projectile discovered at Clovis Indian sites, are a mystery. Read about the mysterious Clovis.
How Environmental Organizations Work
money.howstuffworks.com/economics/volunteer/organizations/environmental-organizations.htm
Environmental organizations all try to help in different ways. Learn about environmental organizations at HowStuffWorks.
The Great Flood: More Than a Myth?
science.howstuffworks.com/nature/climate-weather/storms/great-flood.htm
Many cultures have a flood myth -- an ancient story of a deluge that swallowed the Earth. So could a great flood really have happened, and how would we be able to tell?
How Freeze-Drying Works
science.howstuffworks.com/innovation/edible-innovations/freeze-drying.htm
Remember "astronaut ice cream"? That was freeze-dried. You can find freeze-dried spaghetti and meatballs and even omelets. Find out what "freeze-dried" means and how such a state is achieved.
The Ultimate Seal Quiz
play.howstuffworks.com/quiz/seal-quiz
There are many different kinds of seals, each with a different size, shape, color and behavior. Some seals are smarter than others, some seals diver deeper than others, some like warm water and some like the icy waters of the poles. Take this quiz to learn more about seals.
Baby It's Cold Outside! How the Arctic Fox Survives Frigid Temps
animals.howstuffworks.com/mammals/arctic-fox.htm
The arctic fox thrives in temperatures as low as -58 degrees F (-50 degrees C), largely because it has the warmest coat of any animal on Earth.
The Ultimate Ocean and Marine Life Quiz
play.howstuffworks.com/quiz/ocean-marine-life-quiz
Oceans cover most of the Earth's surface. They include a vast diversity of life, everything from plants to large mammals. Oceans represent a truly undiscovered world for most people. Take this quiz and learn more about ocean life.
Why Is It Colder at the Top of a Mountain Than It Is at Sea Level?
science.howstuffworks.com/nature/climate-weather/atmospheric/question186.htm
Air temperature is colder on top of a mountain than at sea level, but if heat rises how is this possible? Learn about air temperature in this article.