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5 Green NASA Inventions
science.howstuffworks.com/innovation/nasa-inventions/5-green-nasa-inventions.htm
NASA's technological innovations haven't just gotten us to the moon and beyond -- some have also helped make life a little greener here on Earth. What are five surprisingly grounded technologies spearheaded by NASA?
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways
animals.howstuffworks.com/animal-facts/5-animals-that-can-reshape-waterways.htm
Animals leave their marks on the ecosystem in ways you probably never imagined. Learn about five that can affect the waterways at HowStuffWorks.
Can You Answer These Canadian History Questions From Primary School?
play.howstuffworks.com/quiz/can-you-answer-these-canadian-history-questions-from-primary-school
Whether it is a question of the first prime minister or when Canada became a country, take a trip down memory lane and challenge yourself to answer some Canadian history questions from primary school.
5 Green Methods of Transporting Goods
science.howstuffworks.com/environmental/green-science/5-green-methods-transporting-goods.htm
The transportation sector is the second largest producer of carbon dioxide emissions is the U.S. Is it possible to reduce emissions without stiffing the importing and exporting of goods? You'll discover the answer in this article.
Can You Score 27/35 on This Difficult World Geography Quiz?
play.howstuffworks.com/quiz/difficult-world-geography-quiz
You Ghana love this! We just know it! The ultimate world geography quiz just for you! Andes let's see how well you do! Aim high! But you better know your geographical features, capitals and landmarks found all over the globe!
What Is the Strongest Animal Bite in the World?
animals.howstuffworks.com/animal-facts/strongest-animal-bite-in-the-world.htm
The strongest animal bite in the world isn't easy to measure, but even with conservative estimates, these are some impressive numbers.
How Many States Are in the U.S.A.?
history.howstuffworks.com/american-history/how-many-states-usa.htm
The U.S. comprises states, territories and commonwealths. So how many states are in the U.S.A.?
What Are the World's Smartest Pets and Animals?
animals.howstuffworks.com/animal-facts/smartest-pets.htm
If you think dog and cats are the world's smartest pets, you're right. But there are others too. Which smart animals top the list?
Cryptozoology: Hunting Bigfoot and Other Mysterious Beasts
science.howstuffworks.com/science-vs-myth/strange-creatures/cryptozoology.htm
Cryptozoology is the study of creatures that are rumored to exist. But for true believers, these "cryptids" are alive and well and lurking among us.
There Are Millions of Animal Species, So We'll Be Impressed If You Can Identify 11!
Before you go dachshund through these questions, slow down and take your time. You don't need any koalafications to do well on this quiz, but if you're owl by yourself, you might find it an emusing way to pass some time!