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Can You Name All of These World Heritage Sites?

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We only have one Earth, and the easiest way you can show your appreciation for it is by recognizing its brilliance. Some of the world's most endangered animals, oldest cities and rarest land formations are protected in World Heritage Sites around the globe. Put your skills to the test and see if you can recognize them all.

How Junk Food Works

recipes.howstuffworks.com/junk-food.htm

Junk food is a miracle of edible engineering. Learn about the history and science behind junk food.

Can You Name These Countries With Mostly Red Flags?

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Red for valor. Red for bravery. Red for life, for passion, for blood and for honor. Sometimes red is even for luck. Countries all around the world use red in their flags, so how many do you think you can identify? Run this quiz up the flagpole and see who salutes!

What Is the Longest Living Animal? From Tortoises to Whales

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Jeanne Louise Calment, who lived to the ripe age of 122, witnessed incredible milestones in human history, from the unveiling of the Eiffel Tower to the advent of the internet. Her long life, spanning well over a century, is a testament to human resilience and longevity.

Why Photosynthesis is Important

science.howstuffworks.com/science-vs-myth/what-if/what-if-photosynthesis-stopped.htm

Remember learning about photosynthesis when you were a kid? Let's pretend for a moment that this vital process could somehow permanently stop. How tough would it be to continue to live on this Earth?

Do People and Bananas Really Share 50 Percent of the Same DNA?

science.howstuffworks.com/life/genetic/people-bananas-share-dna.htm

You probably feel like you have very little in common with that banana lying on your kitchen counter. But science says you do! So, how is this possible? And is that stat accurate? We talk to the scientist who did the research.

Beach Activities for Kids

lifestyle.howstuffworks.com/crafts/seasonal/beach-activities.htm

Beach activities for kids provide fun in the sand and surf -- whether you're interested in science or sand castles. Try these beach activities for kids.

Do Koalas Smell Like Cough Drops?

animals.howstuffworks.com/mammals/koala-smell-like-cough-drop.htm

Do koalas smell like cough drops? Learn how koalas break down eucalyptus leaves, digest them and render calories from their very fibrous food source.

10 Real Animals That Seem Make-believe

animals.howstuffworks.com/animal-facts/10-animals-seem-make-believe.htm

The world boasts an incredible diversity of animals, some of which are so colorful and bizarre they seem made-up. Meet 10 of them at HowStuffWorks.

Aromatherapy: Clove

health.howstuffworks.com/wellness/natural-medicine/aromatherapy/aromatherapy-clove.htm

Clove can be used in aromatherapy preparations to soothe sore muscles or to fight infections when applied to the skin. Learn about this essential oil.

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