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  What Are Phytoplankton?

  Have a plankTON of fun today in Wonderopolis!

  #2875

  What Are Phytoplankton?

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  How Do Mosquitoes Help the World?

  We bet you can’t wait to take a BITE out of this Wonder of the Day!

  #2677

  How Do Mosquitoes Help the World?

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  What Are Marimo Moss Balls?

  Learn about a rare organism today in Wonderopolis!

  #2628

  What Are Marimo Moss Balls?

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  Where Do Lichens Grow?

  We’re LICHEN the chances of you learning something new today!

  #2618

  Where Do Lichens Grow?

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  Where is the Atacama Desert?

  We bet you just can’t wait to give this Wonder of the Day a DRY!

  #2602

  Where is the Atacama Desert?

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  What is an Amoeba?

  CELLebrate learning with today’s Wonder of the Day!

  #2549

  What is an Amoeba?

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  Is Planet Earth Alive?

  Today’s Wonder of the Day will explore the vitality of our planet!

  #2067

  Is Planet Earth Alive?

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  How Can You Breathe Where Trees Don’t Grow?

  Today’s Wonder of the Day is a breath of fresh air!

  #2043

  How Can You Breathe Where Trees Don’t Grow?

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  Why Do We Have To Cook Meat?

  Even if it’s cold outside, it’ll be roasting in Wonderopolis today!

  #1842

  Why Do We Have To Cook Meat?

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  Who Decomposes the Decomposers?

  Join us in Wonderopolis today for a look at the bottom of the food chain!

  #1617

  Who Decomposes the Decomposers?

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  What Is an Invasive Species?

  Join us in Wonderopolis today to learn about an invasion going on all around you!

  #1581

  What Is an Invasive Species?

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  Why Do Things Have To Die?

  Today’s Wonder of the Day explores why all good things must come to an end.

  #1215

  Why Do Things Have To Die?

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  Why Does Dough Puff Up When You Bake It?

  If you’re hungry for knowledge about the science of cooking, today’s Wonder of the Day really rises to the occasion!

  #1202

  Why Does Dough Puff Up When You Bake It?

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  What Does It Mean To Be Immune?

  Today’s Wonder of the Day features some famous fighters!

  #1171

  What Does It Mean To Be Immune?

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  How Are Viruses and Bacteria Different?

  The subjects of today’s Wonder of the Day may be different, but they can both make you very sick!

  #1156

  How Are Viruses and Bacteria Different?

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  What Is the Oldest Living Tree?

  Today’s Wonder of the Day has many, many rings, but you can’t see them!

  #1139

  What Is the Oldest Living Tree?

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  What Is a Paleontologist?

  We think you’re really going to DIG today’s Wonder of the Day!

  #1028

  What Is a Paleontologist?

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  What Is a Parasite?

  Today’s Wonder of the Day takes a closer look at some really needy creatures!

  #707

  What Is a Parasite?

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  Who’s at the Top of the Food Chain?

  Attention all predators and prey! Today’s Wonder of the Day is all about you!

  #701

  Who’s at the Top of the Food Chain?

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  Where Do Bugs Sleep?

  We hope today’s Wonder of the Day doesn’t bug you!

  #652

  Where Do Bugs Sleep?

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